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Geth-Modification
Commit 1e50f5dd authored by Péter Szilágyi's avatar Péter Szilágyi Committed by GitHub
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Merge pull request #2159 from zsfelfoldi/light-backend 

eth: separate common and full node-specific API and backend service
parents f127799d 3a97280a
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Inline Side-by-side
Showing with 2296 additions and 1805 deletions
accounts/abi/bind/backend.go
View file @ 1e50f5dd
......@@ -22,6 +22,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"golang.org/x/net/context"
)
// ErrNoCode is returned by call and transact operations for which the requested
......@@ -35,12 +36,12 @@ type ContractCaller interface {
// HasCode checks if the contract at the given address has any code associated
// with it or not. This is needed to differentiate between contract internal
// errors and the local chain being out of sync.
HasCode(contract common.Address, pending bool) (bool, error)
HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
// ContractCall executes an Ethereum contract call with the specified data as
// the input. The pending flag requests execution against the pending block, not
// the stable head of the chain.
ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error)
ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error)
}
// ContractTransactor defines the methods needed to allow operating with contract
......@@ -50,26 +51,26 @@ type ContractCaller interface {
type ContractTransactor interface {
// PendingAccountNonce retrieves the current pending nonce associated with an
// account.
PendingAccountNonce(account common.Address) (uint64, error)
PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error)
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
// execution of a transaction.
SuggestGasPrice() (*big.Int, error)
SuggestGasPrice(ctx context.Context) (*big.Int, error)
// HasCode checks if the contract at the given address has any code associated
// with it or not. This is needed to differentiate between contract internal
// errors and the local chain being out of sync.
HasCode(contract common.Address, pending bool) (bool, error)
HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
// EstimateGasLimit tries to estimate the gas needed to execute a specific
// transaction based on the current pending state of the backend blockchain.
// There is no guarantee that this is the true gas limit requirement as other
// transactions may be added or removed by miners, but it should provide a basis
// for setting a reasonable default.
EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
// SendTransaction injects the transaction into the pending pool for execution.
SendTransaction(tx *types.Transaction) error
SendTransaction(ctx context.Context, tx *types.Transaction) error
}
// ContractBackend defines the methods needed to allow operating with contract
......@@ -84,28 +85,28 @@ type ContractBackend interface {
// HasCode checks if the contract at the given address has any code associated
// with it or not. This is needed to differentiate between contract internal
// errors and the local chain being out of sync.
HasCode(contract common.Address, pending bool) (bool, error)
HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error)
// ContractCall executes an Ethereum contract call with the specified data as
// the input. The pending flag requests execution against the pending block, not
// the stable head of the chain.
ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error)
ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error)
// PendingAccountNonce retrieves the current pending nonce associated with an
// account.
PendingAccountNonce(account common.Address) (uint64, error)
PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error)
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
// execution of a transaction.
SuggestGasPrice() (*big.Int, error)
SuggestGasPrice(ctx context.Context) (*big.Int, error)
// EstimateGasLimit tries to estimate the gas needed to execute a specific
// transaction based on the current pending state of the backend blockchain.
// There is no guarantee that this is the true gas limit requirement as other
// transactions may be added or removed by miners, but it should provide a basis
// for setting a reasonable default.
EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error)
// SendTransaction injects the transaction into the pending pool for execution.
SendTransaction(tx *types.Transaction) error
SendTransaction(ctx context.Context, tx *types.Transaction) error
}
accounts/abi/bind/backends/nil.go
View file @ 1e50f5dd
......@@ -22,6 +22,7 @@ import (
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"golang.org/x/net/context"
)
// This nil assignment ensures compile time that nilBackend implements bind.ContractBackend.
......@@ -32,16 +33,22 @@ var _ bind.ContractBackend = (*nilBackend)(nil)
// wrappers without calling any methods on them.
type nilBackend struct{}
func (*nilBackend) ContractCall(common.Address, []byte, bool) ([]byte, error) {
func (*nilBackend) ContractCall(context.Context, common.Address, []byte, bool) ([]byte, error) {
panic("not implemented")
}
func (*nilBackend) EstimateGasLimit(common.Address, *common.Address, *big.Int, []byte) (*big.Int, error) {
func (*nilBackend) EstimateGasLimit(context.Context, common.Address, *common.Address, *big.Int, []byte) (*big.Int, error) {
panic("not implemented")
}
func (*nilBackend) HasCode(context.Context, common.Address, bool) (bool, error) {
panic("not implemented")
}
func (*nilBackend) SuggestGasPrice(context.Context) (*big.Int, error) { panic("not implemented") }
func (*nilBackend) PendingAccountNonce(context.Context, common.Address) (uint64, error) {
panic("not implemented")
}
func (*nilBackend) SendTransaction(context.Context, *types.Transaction) error {
panic("not implemented")
}
func (*nilBackend) HasCode(common.Address, bool) (bool, error) { panic("not implemented") }
func (*nilBackend) SuggestGasPrice() (*big.Int, error) { panic("not implemented") }
func (*nilBackend) PendingAccountNonce(common.Address) (uint64, error) { panic("not implemented") }
func (*nilBackend) SendTransaction(*types.Transaction) error { panic("not implemented") }
// NewNilBackend creates a new binding backend that can be used for instantiation
// but will panic on any invocation. Its sole purpose is to help testing.
......
accounts/abi/bind/backends/remote.go
View file @ 1e50f5dd
......@@ -28,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"golang.org/x/net/context"
)
// This nil assignment ensures compile time that rpcBackend implements bind.ContractBackend.
......@@ -80,18 +81,23 @@ type failure struct {
//
// This is currently painfully non-concurrent, but it will have to do until we
// find the time for niceties like this :P
func (b *rpcBackend) request(method string, params []interface{}) (json.RawMessage, error) {
func (b *rpcBackend) request(ctx context.Context, method string, params []interface{}) (json.RawMessage, error) {
b.lock.Lock()
defer b.lock.Unlock()
if ctx == nil {
ctx = context.Background()
}
// Ugly hack to serialize an empty list properly
if params == nil {
params = []interface{}{}
}
// Assemble the request object
reqID := int(atomic.AddUint32(&b.autoid, 1))
req := &request{
JSONRPC: "2.0",
ID: int(atomic.AddUint32(&b.autoid, 1)),
ID: reqID,
Method: method,
Params: params,
}
......@@ -99,9 +105,18 @@ func (b *rpcBackend) request(method string, params []interface{}) (json.RawMessa
return nil, err
}
res := new(response)
if err := b.client.Recv(res); err != nil {
errc := make(chan error, 1)
go func() {
errc <- b.client.Recv(res)
}()
select {
case err := <-errc:
if err != nil {
return nil, err
}
case <-ctx.Done():
return nil, ctx.Err()
}
if res.Error != nil {
if res.Error.Message == bind.ErrNoCode.Error() {
return nil, bind.ErrNoCode
......@@ -113,13 +128,13 @@ func (b *rpcBackend) request(method string, params []interface{}) (json.RawMessa
// HasCode implements ContractVerifier.HasCode by retrieving any code associated
// with the contract from the remote node, and checking its size.
func (b *rpcBackend) HasCode(contract common.Address, pending bool) (bool, error) {
func (b *rpcBackend) HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error) {
// Execute the RPC code retrieval
block := "latest"
if pending {
block = "pending"
}
res, err := b.request("eth_getCode", []interface{}{contract.Hex(), block})
res, err := b.request(ctx, "eth_getCode", []interface{}{contract.Hex(), block})
if err != nil {
return false, err
}
......@@ -133,7 +148,7 @@ func (b *rpcBackend) HasCode(contract common.Address, pending bool) (bool, error
// ContractCall implements ContractCaller.ContractCall, delegating the execution of
// a contract call to the remote node, returning the reply to for local processing.
func (b *rpcBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error) {
func (b *rpcBackend) ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error) {
// Pack up the request into an RPC argument
args := struct {
To common.Address `json:"to"`
......@@ -147,7 +162,7 @@ func (b *rpcBackend) ContractCall(contract common.Address, data []byte, pending
if pending {
block = "pending"
}
res, err := b.request("eth_call", []interface{}{args, block})
res, err := b.request(ctx, "eth_call", []interface{}{args, block})
if err != nil {
return nil, err
}
......@@ -161,8 +176,8 @@ func (b *rpcBackend) ContractCall(contract common.Address, data []byte, pending
// PendingAccountNonce implements ContractTransactor.PendingAccountNonce, delegating
// the current account nonce retrieval to the remote node.
func (b *rpcBackend) PendingAccountNonce(account common.Address) (uint64, error) {
res, err := b.request("eth_getTransactionCount", []interface{}{account.Hex(), "pending"})
func (b *rpcBackend) PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error) {
res, err := b.request(ctx, "eth_getTransactionCount", []interface{}{account.Hex(), "pending"})
if err != nil {
return 0, err
}
......@@ -179,8 +194,8 @@ func (b *rpcBackend) PendingAccountNonce(account common.Address) (uint64, error)
// SuggestGasPrice implements ContractTransactor.SuggestGasPrice, delegating the
// gas price oracle request to the remote node.
func (b *rpcBackend) SuggestGasPrice() (*big.Int, error) {
res, err := b.request("eth_gasPrice", nil)
func (b *rpcBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
res, err := b.request(ctx, "eth_gasPrice", nil)
if err != nil {
return nil, err
}
......@@ -197,7 +212,7 @@ func (b *rpcBackend) SuggestGasPrice() (*big.Int, error) {
// EstimateGasLimit implements ContractTransactor.EstimateGasLimit, delegating
// the gas estimation to the remote node.
func (b *rpcBackend) EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
func (b *rpcBackend) EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
// Pack up the request into an RPC argument
args := struct {
From common.Address `json:"from"`
......@@ -211,7 +226,7 @@ func (b *rpcBackend) EstimateGasLimit(sender common.Address, contract *common.Ad
Value: rpc.NewHexNumber(value),
}
// Execute the RPC call and retrieve the response
res, err := b.request("eth_estimateGas", []interface{}{args})
res, err := b.request(ctx, "eth_estimateGas", []interface{}{args})
if err != nil {
return nil, err
}
......@@ -228,12 +243,12 @@ func (b *rpcBackend) EstimateGasLimit(sender common.Address, contract *common.Ad
// SendTransaction implements ContractTransactor.SendTransaction, delegating the
// raw transaction injection to the remote node.
func (b *rpcBackend) SendTransaction(tx *types.Transaction) error {
func (b *rpcBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error {
data, err := rlp.EncodeToBytes(tx)
if err != nil {
return err
}
res, err := b.request("eth_sendRawTransaction", []interface{}{common.ToHex(data)})
res, err := b.request(ctx, "eth_sendRawTransaction", []interface{}{common.ToHex(data)})
if err != nil {
return err
}
......
accounts/abi/bind/backends/simulated.go
View file @ 1e50f5dd
......@@ -27,6 +27,7 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"golang.org/x/net/context"
)
// Default chain configuration which sets homestead phase at block 0 (i.e. no frontier)
......@@ -80,7 +81,7 @@ func (b *SimulatedBackend) Rollback() {
// HasCode implements ContractVerifier.HasCode, checking whether there is any
// code associated with a certain account in the blockchain.
func (b *SimulatedBackend) HasCode(contract common.Address, pending bool) (bool, error) {
func (b *SimulatedBackend) HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error) {
if pending {
return len(b.pendingState.GetCode(contract)) > 0, nil
}
......@@ -90,7 +91,7 @@ func (b *SimulatedBackend) HasCode(contract common.Address, pending bool) (bool,
// ContractCall implements ContractCaller.ContractCall, executing the specified
// contract with the given input data.
func (b *SimulatedBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error) {
func (b *SimulatedBackend) ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error) {
// Create a copy of the current state db to screw around with
var (
block *types.Block
......@@ -129,20 +130,20 @@ func (b *SimulatedBackend) ContractCall(contract common.Address, data []byte, pe
// PendingAccountNonce implements ContractTransactor.PendingAccountNonce, retrieving
// the nonce currently pending for the account.
func (b *SimulatedBackend) PendingAccountNonce(account common.Address) (uint64, error) {
func (b *SimulatedBackend) PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error) {
return b.pendingState.GetOrNewStateObject(account).Nonce(), nil
}
// SuggestGasPrice implements ContractTransactor.SuggestGasPrice. Since the simulated
// chain doens't have miners, we just return a gas price of 1 for any call.
func (b *SimulatedBackend) SuggestGasPrice() (*big.Int, error) {
func (b *SimulatedBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
return big.NewInt(1), nil
}
// EstimateGasLimit implements ContractTransactor.EstimateGasLimit, executing the
// requested code against the currently pending block/state and returning the used
// gas.
func (b *SimulatedBackend) EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
func (b *SimulatedBackend) EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
// Create a copy of the currently pending state db to screw around with
var (
block = b.pendingBlock
......@@ -177,7 +178,7 @@ func (b *SimulatedBackend) EstimateGasLimit(sender common.Address, contract *com
// SendTransaction implements ContractTransactor.SendTransaction, delegating the raw
// transaction injection to the remote node.
func (b *SimulatedBackend) SendTransaction(tx *types.Transaction) error {
func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error {
blocks, _ := core.GenerateChain(b.blockchain.CurrentBlock(), b.database, 1, func(number int, block *core.BlockGen) {
for _, tx := range b.pendingBlock.Transactions() {
block.AddTx(tx)
......
accounts/abi/bind/base.go
View file @ 1e50f5dd
......@@ -26,6 +26,7 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"golang.org/x/net/context"
)
// SignerFn is a signer function callback when a contract requires a method to
......@@ -35,6 +36,8 @@ type SignerFn func(common.Address, *types.Transaction) (*types.Transaction, erro
// CallOpts is the collection of options to fine tune a contract call request.
type CallOpts struct {
Pending bool // Whether to operate on the pending state or the last known one
Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
}
// TransactOpts is the collection of authorization data required to create a
......@@ -47,6 +50,8 @@ type TransactOpts struct {
Value *big.Int // Funds to transfer along along the transaction (nil = 0 = no funds)
GasPrice *big.Int // Gas price to use for the transaction execution (nil = gas price oracle)
GasLimit *big.Int // Gas limit to set for the transaction execution (nil = estimate + 10%)
Context context.Context // Network context to support cancellation and timeouts (nil = no timeout)
}
// BoundContract is the base wrapper object that reflects a contract on the
......@@ -102,7 +107,7 @@ func (c *BoundContract) Call(opts *CallOpts, result interface{}, method string,
}
// Make sure we have a contract to operate on, and bail out otherwise
if (opts.Pending && atomic.LoadUint32(&c.pendingHasCode) == 0) || (!opts.Pending && atomic.LoadUint32(&c.latestHasCode) == 0) {
if code, err := c.caller.HasCode(c.address, opts.Pending); err != nil {
if code, err := c.caller.HasCode(opts.Context, c.address, opts.Pending); err != nil {
return err
} else if !code {
return ErrNoCode
......@@ -118,7 +123,7 @@ func (c *BoundContract) Call(opts *CallOpts, result interface{}, method string,
if err != nil {
return err
}
output, err := c.caller.ContractCall(c.address, input, opts.Pending)
output, err := c.caller.ContractCall(opts.Context, c.address, input, opts.Pending)
if err != nil {
return err
}
......@@ -153,7 +158,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
}
nonce := uint64(0)
if opts.Nonce == nil {
nonce, err = c.transactor.PendingAccountNonce(opts.From)
nonce, err = c.transactor.PendingAccountNonce(opts.Context, opts.From)
if err != nil {
return nil, fmt.Errorf("failed to retrieve account nonce: %v", err)
}
......@@ -163,7 +168,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
// Figure out the gas allowance and gas price values
gasPrice := opts.GasPrice
if gasPrice == nil {
gasPrice, err = c.transactor.SuggestGasPrice()
gasPrice, err = c.transactor.SuggestGasPrice(opts.Context)
if err != nil {
return nil, fmt.Errorf("failed to suggest gas price: %v", err)
}
......@@ -172,7 +177,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
if gasLimit == nil {
// Gas estimation cannot succeed without code for method invocations
if contract != nil && atomic.LoadUint32(&c.pendingHasCode) == 0 {
if code, err := c.transactor.HasCode(c.address, true); err != nil {
if code, err := c.transactor.HasCode(opts.Context, c.address, true); err != nil {
return nil, err
} else if !code {
return nil, ErrNoCode
......@@ -180,7 +185,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
atomic.StoreUint32(&c.pendingHasCode, 1)
}
// If the contract surely has code (or code is not needed), estimate the transaction
gasLimit, err = c.transactor.EstimateGasLimit(opts.From, contract, value, input)
gasLimit, err = c.transactor.EstimateGasLimit(opts.Context, opts.From, contract, value, input)
if err != nil {
return nil, fmt.Errorf("failed to exstimate gas needed: %v", err)
}
......@@ -199,7 +204,7 @@ func (c *BoundContract) transact(opts *TransactOpts, contract *common.Address, i
if err != nil {
return nil, err
}
if err := c.transactor.SendTransaction(signedTx); err != nil {
if err := c.transactor.SendTransaction(opts.Context, signedTx); err != nil {
return nil, err
}
return signedTx, nil
......
accounts/account_manager.go
View file @ 1e50f5dd
......@@ -34,6 +34,8 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
)
var (
......@@ -340,3 +342,23 @@ func zeroKey(k *ecdsa.PrivateKey) {
b[i] = 0
}
}
// APIs implements node.Service
func (am *Manager) APIs() []rpc.API {
return nil
}
// Protocols implements node.Service
func (am *Manager) Protocols() []p2p.Protocol {
return nil
}
// Start implements node.Service
func (am *Manager) Start(srvr *p2p.Server) error {
return nil
}
// Stop implements node.Service
func (am *Manager) Stop() error {
return nil
}
cmd/geth/main.go
View file @ 1e50f5dd
......@@ -29,6 +29,7 @@ import (
"time"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/console"
......@@ -313,11 +314,10 @@ func startNode(ctx *cli.Context, stack *node.Node) {
utils.StartNode(stack)
// Unlock any account specifically requested
var ethereum *eth.Ethereum
if err := stack.Service(&ethereum); err != nil {
var accman *accounts.Manager
if err := stack.Service(&accman); err != nil {
utils.Fatalf("ethereum service not running: %v", err)
}
accman := ethereum.AccountManager()
passwords := utils.MakePasswordList(ctx)
accounts := strings.Split(ctx.GlobalString(utils.UnlockedAccountFlag.Name), ",")
......@@ -328,6 +328,10 @@ func startNode(ctx *cli.Context, stack *node.Node) {
}
// Start auxiliary services if enabled
if ctx.GlobalBool(utils.MiningEnabledFlag.Name) {
var ethereum *eth.FullNodeService
if err := stack.Service(&ethereum); err != nil {
utils.Fatalf("ethereum service not running: %v", err)
}
if err := ethereum.StartMining(ctx.GlobalInt(utils.MinerThreadsFlag.Name), ctx.GlobalString(utils.MiningGPUFlag.Name)); err != nil {
utils.Fatalf("Failed to start mining: %v", err)
}
......
cmd/gethrpctest/main.go
View file @ 1e50f5dd
......@@ -146,7 +146,7 @@ func MakeSystemNode(keydir string, privkey string, test *tests.BlockTest) (*node
// RunTest executes the specified test against an already pre-configured protocol
// stack to ensure basic checks pass before running RPC tests.
func RunTest(stack *node.Node, test *tests.BlockTest) error {
var ethereum *eth.Ethereum
var ethereum *eth.FullNodeService
stack.Service(&ethereum)
blockchain := ethereum.BlockChain()
......
cmd/utils/flags.go
View file @ 1e50f5dd
......@@ -763,6 +763,13 @@ func MakeSystemNode(name, version string, relconf release.Config, extra []byte,
if err != nil {
Fatalf("Failed to create the protocol stack: %v", err)
}
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return accman, nil
}); err != nil {
Fatalf("Failed to register the account manager service: %v", err)
}
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return eth.New(ctx, ethConf)
}); err != nil {
......
common/natspec/natspec_e2e_test.go
View file @ 1e50f5dd
......@@ -99,7 +99,7 @@ const (
type testFrontend struct {
t *testing.T
ethereum *eth.Ethereum
ethereum *eth.FullNodeService
xeth *xe.XEth
wait chan *big.Int
lastConfirm string
......@@ -123,7 +123,7 @@ func (self *testFrontend) ConfirmTransaction(tx string) bool {
return true
}
func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
func testEth(t *testing.T) (ethereum *eth.FullNodeService, err error) {
tmp, err := ioutil.TempDir("", "natspec-test")
if err != nil {
......
console/console_test.go
View file @ 1e50f5dd
......@@ -76,7 +76,7 @@ func (p *hookedPrompter) SetWordCompleter(completer WordCompleter) {}
type tester struct {
workspace string
stack *node.Node
ethereum *eth.Ethereum
ethereum *eth.FullNodeService
console *Console
input *hookedPrompter
output *bytes.Buffer
......@@ -134,7 +134,7 @@ func newTester(t *testing.T, confOverride func(*eth.Config)) *tester {
t.Fatalf("failed to create JavaScript console: %v", err)
}
// Create the final tester and return
var ethereum *eth.Ethereum
var ethereum *eth.FullNodeService
stack.Service(&ethereum)
return &tester{
......
core/vm/environment.go
View file @ 1e50f5dd
......@@ -73,6 +73,8 @@ type Environment interface {
DelegateCall(me ContractRef, addr common.Address, data []byte, gas, price *big.Int) ([]byte, error)
// Create a new contract
Create(me ContractRef, data []byte, gas, price, value *big.Int) ([]byte, common.Address, error)
StructLogs() []StructLog
}
// Vm is the basic interface for an implementation of the EVM.
......
eth/api.go
View file @ 1e50f5dd
......@@ -18,8 +18,6 @@ package eth
import (
"bytes"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io"
......@@ -27,166 +25,56 @@ import (
"math/big"
"os"
"runtime"
"strings"
"sync"
"time"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/syndtr/goleveldb/leveldb"
"golang.org/x/net/context"
)
const defaultGas = uint64(90000)
// blockByNumber is a commonly used helper function which retrieves and returns
// the block for the given block number, capable of handling two special blocks:
// rpc.LatestBlockNumber and rpc.PendingBlockNumber. It returns nil when no block
// could be found.
func blockByNumber(m *miner.Miner, bc *core.BlockChain, blockNr rpc.BlockNumber) *types.Block {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, _ := m.Pending()
return block
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
return bc.CurrentBlock()
}
return bc.GetBlockByNumber(uint64(blockNr))
}
// stateAndBlockByNumber is a commonly used helper function which retrieves and
// returns the state and containing block for the given block number, capable of
// handling two special states: rpc.LatestBlockNumber and rpc.PendingBlockNumber.
// It returns nil when no block or state could be found.
func stateAndBlockByNumber(m *miner.Miner, bc *core.BlockChain, blockNr rpc.BlockNumber, chainDb ethdb.Database) (*state.StateDB, *types.Block, error) {
// Pending state is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, state := m.Pending()
return state, block, nil
}
// Otherwise resolve the block number and return its state
block := blockByNumber(m, bc, blockNr)
if block == nil {
return nil, nil, nil
}
stateDb, err := state.New(block.Root(), chainDb)
return stateDb, block, err
}
// PublicEthereumAPI provides an API to access Ethereum related information.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicEthereumAPI struct {
e *Ethereum
gpo *GasPriceOracle
}
// NewPublicEthereumAPI creates a new Ethereum protocol API.
func NewPublicEthereumAPI(e *Ethereum) *PublicEthereumAPI {
return &PublicEthereumAPI{
e: e,
gpo: e.gpo,
}
}
// GasPrice returns a suggestion for a gas price.
func (s *PublicEthereumAPI) GasPrice() *big.Int {
return s.gpo.SuggestPrice()
}
// GetCompilers returns the collection of available smart contract compilers
func (s *PublicEthereumAPI) GetCompilers() ([]string, error) {
solc, err := s.e.Solc()
if err == nil && solc != nil {
return []string{"Solidity"}, nil
}
return []string{}, nil
// PublicFullEthereumAPI provides an API to access Ethereum full node-related
// information.
type PublicFullEthereumAPI struct {
e *FullNodeService
}
// CompileSolidity compiles the given solidity source
func (s *PublicEthereumAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error) {
solc, err := s.e.Solc()
if err != nil {
return nil, err
}
if solc == nil {
return nil, errors.New("solc (solidity compiler) not found")
}
return solc.Compile(source)
// NewPublicFullEthereumAPI creates a new Etheruem protocol API for full nodes.
func NewPublicFullEthereumAPI(e *FullNodeService) *PublicFullEthereumAPI {
return &PublicFullEthereumAPI{e}
}
// Etherbase is the address that mining rewards will be send to
func (s *PublicEthereumAPI) Etherbase() (common.Address, error) {
func (s *PublicFullEthereumAPI) Etherbase() (common.Address, error) {
return s.e.Etherbase()
}
// Coinbase is the address that mining rewards will be send to (alias for Etherbase)
func (s *PublicEthereumAPI) Coinbase() (common.Address, error) {
func (s *PublicFullEthereumAPI) Coinbase() (common.Address, error) {
return s.Etherbase()
}
// ProtocolVersion returns the current Ethereum protocol version this node supports
func (s *PublicEthereumAPI) ProtocolVersion() *rpc.HexNumber {
return rpc.NewHexNumber(s.e.EthVersion())
}
// Hashrate returns the POW hashrate
func (s *PublicEthereumAPI) Hashrate() *rpc.HexNumber {
func (s *PublicFullEthereumAPI) Hashrate() *rpc.HexNumber {
return rpc.NewHexNumber(s.e.Miner().HashRate())
}
// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
// yet received the latest block headers from its pears. In case it is synchronizing:
// - startingBlock: block number this node started to synchronise from
// - currentBlock: block number this node is currently importing
// - highestBlock: block number of the highest block header this node has received from peers
// - pulledStates: number of state entries processed until now
// - knownStates: number of known state entries that still need to be pulled
func (s *PublicEthereumAPI) Syncing() (interface{}, error) {
origin, current, height, pulled, known := s.e.Downloader().Progress()
// Return not syncing if the synchronisation already completed
if current >= height {
return false, nil
}
// Otherwise gather the block sync stats
return map[string]interface{}{
"startingBlock": rpc.NewHexNumber(origin),
"currentBlock": rpc.NewHexNumber(current),
"highestBlock": rpc.NewHexNumber(height),
"pulledStates": rpc.NewHexNumber(pulled),
"knownStates": rpc.NewHexNumber(known),
}, nil
}
// PublicMinerAPI provides an API to control the miner.
// It offers only methods that operate on data that pose no security risk when it is publicly accessible.
type PublicMinerAPI struct {
e *Ethereum
e *FullNodeService
agent *miner.RemoteAgent
}
// NewPublicMinerAPI create a new PublicMinerAPI instance.
func NewPublicMinerAPI(e *Ethereum) *PublicMinerAPI {
func NewPublicMinerAPI(e *FullNodeService) *PublicMinerAPI {
agent := miner.NewRemoteAgent()
e.Miner().Register(agent)
......@@ -232,11 +120,11 @@ func (s *PublicMinerAPI) SubmitHashrate(hashrate rpc.HexNumber, id common.Hash)
// PrivateMinerAPI provides private RPC methods to control the miner.
// These methods can be abused by external users and must be considered insecure for use by untrusted users.
type PrivateMinerAPI struct {
e *Ethereum
e *FullNodeService
}
// NewPrivateMinerAPI create a new RPC service which controls the miner of this node.
func NewPrivateMinerAPI(e *Ethereum) *PrivateMinerAPI {
func NewPrivateMinerAPI(e *FullNodeService) *PrivateMinerAPI {
return &PrivateMinerAPI{e: e}
}
......@@ -303,1199 +191,20 @@ func (s *PrivateMinerAPI) MakeDAG(blockNr rpc.BlockNumber) (bool, error) {
return true, nil
}
// PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.
type PublicTxPoolAPI struct {
e *Ethereum
}
// NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.
func NewPublicTxPoolAPI(e *Ethereum) *PublicTxPoolAPI {
return &PublicTxPoolAPI{e}
}
// Content returns the transactions contained within the transaction pool.
func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string][]*RPCTransaction {
content := map[string]map[string]map[string][]*RPCTransaction{
"pending": make(map[string]map[string][]*RPCTransaction),
"queued": make(map[string]map[string][]*RPCTransaction),
}
pending, queue := s.e.TxPool().Content()
// Flatten the pending transactions
for account, batches := range pending {
dump := make(map[string][]*RPCTransaction)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
}
}
content["pending"][account.Hex()] = dump
}
// Flatten the queued transactions
for account, batches := range queue {
dump := make(map[string][]*RPCTransaction)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
}
}
content["queued"][account.Hex()] = dump
}
return content
}
// Status returns the number of pending and queued transaction in the pool.
func (s *PublicTxPoolAPI) Status() map[string]*rpc.HexNumber {
pending, queue := s.e.TxPool().Stats()
return map[string]*rpc.HexNumber{
"pending": rpc.NewHexNumber(pending),
"queued": rpc.NewHexNumber(queue),
}
}
// Inspect retrieves the content of the transaction pool and flattens it into an
// easily inspectable list.
func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string][]string {
content := map[string]map[string]map[string][]string{
"pending": make(map[string]map[string][]string),
"queued": make(map[string]map[string][]string),
}
pending, queue := s.e.TxPool().Content()
// Define a formatter to flatten a transaction into a string
var format = func(tx *types.Transaction) string {
if to := tx.To(); to != nil {
return fmt.Sprintf("%s: %v wei + %v × %v gas", tx.To().Hex(), tx.Value(), tx.Gas(), tx.GasPrice())
}
return fmt.Sprintf("contract creation: %v wei + %v × %v gas", tx.Value(), tx.Gas(), tx.GasPrice())
}
// Flatten the pending transactions
for account, batches := range pending {
dump := make(map[string][]string)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], format(tx))
}
}
content["pending"][account.Hex()] = dump
}
// Flatten the queued transactions
for account, batches := range queue {
dump := make(map[string][]string)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], format(tx))
}
}
content["queued"][account.Hex()] = dump
}
return content
}
// PublicAccountAPI provides an API to access accounts managed by this node.
// It offers only methods that can retrieve accounts.
type PublicAccountAPI struct {
am *accounts.Manager
}
// NewPublicAccountAPI creates a new PublicAccountAPI.
func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
return &PublicAccountAPI{am: am}
}
// Accounts returns the collection of accounts this node manages
func (s *PublicAccountAPI) Accounts() []accounts.Account {
return s.am.Accounts()
}
// PrivateAccountAPI provides an API to access accounts managed by this node.
// It offers methods to create, (un)lock en list accounts. Some methods accept
// passwords and are therefore considered private by default.
type PrivateAccountAPI struct {
am *accounts.Manager
txPool *core.TxPool
txMu *sync.Mutex
gpo *GasPriceOracle
}
// NewPrivateAccountAPI create a new PrivateAccountAPI.
func NewPrivateAccountAPI(e *Ethereum) *PrivateAccountAPI {
return &PrivateAccountAPI{
am: e.accountManager,
txPool: e.txPool,
txMu: &e.txMu,
gpo: e.gpo,
}
}
// ListAccounts will return a list of addresses for accounts this node manages.
func (s *PrivateAccountAPI) ListAccounts() []common.Address {
accounts := s.am.Accounts()
addresses := make([]common.Address, len(accounts))
for i, acc := range accounts {
addresses[i] = acc.Address
}
return addresses
}
// NewAccount will create a new account and returns the address for the new account.
func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
acc, err := s.am.NewAccount(password)
if err == nil {
return acc.Address, nil
}
return common.Address{}, err
}
// ImportRawKey stores the given hex encoded ECDSA key into the key directory,
// encrypting it with the passphrase.
func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error) {
hexkey, err := hex.DecodeString(privkey)
if err != nil {
return common.Address{}, err
}
acc, err := s.am.ImportECDSA(crypto.ToECDSA(hexkey), password)
return acc.Address, err
}
// UnlockAccount will unlock the account associated with the given address with
// the given password for duration seconds. If duration is nil it will use a
// default of 300 seconds. It returns an indication if the account was unlocked.
func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *rpc.HexNumber) (bool, error) {
if duration == nil {
duration = rpc.NewHexNumber(300)
}
a := accounts.Account{Address: addr}
d := time.Duration(duration.Int64()) * time.Second
if err := s.am.TimedUnlock(a, password, d); err != nil {
return false, err
}
return true, nil
}
// LockAccount will lock the account associated with the given address when it's unlocked.
func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
return s.am.Lock(addr) == nil
}
// SignAndSendTransaction will create a transaction from the given arguments and
// tries to sign it with the key associated with args.To. If the given passwd isn't
// able to decrypt the key it fails.
func (s *PrivateAccountAPI) SignAndSendTransaction(args SendTxArgs, passwd string) (common.Hash, error) {
args = prepareSendTxArgs(args, s.gpo)
s.txMu.Lock()
defer s.txMu.Unlock()
if args.Nonce == nil {
args.Nonce = rpc.NewHexNumber(s.txPool.State().GetNonce(args.From))
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signature, err := s.am.SignWithPassphrase(args.From, passwd, tx.SigHash().Bytes())
if err != nil {
return common.Hash{}, err
}
return submitTransaction(s.txPool, tx, signature)
}
// PublicBlockChainAPI provides an API to access the Ethereum blockchain.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicBlockChainAPI struct {
config *core.ChainConfig
bc *core.BlockChain
chainDb ethdb.Database
eventMux *event.TypeMux
muNewBlockSubscriptions sync.Mutex // protects newBlocksSubscriptions
newBlockSubscriptions map[string]func(core.ChainEvent) error // callbacks for new block subscriptions
am *accounts.Manager
miner *miner.Miner
gpo *GasPriceOracle
}
// NewPublicBlockChainAPI creates a new Etheruem blockchain API.
func NewPublicBlockChainAPI(config *core.ChainConfig, bc *core.BlockChain, m *miner.Miner, chainDb ethdb.Database, gpo *GasPriceOracle, eventMux *event.TypeMux, am *accounts.Manager) *PublicBlockChainAPI {
api := &PublicBlockChainAPI{
config: config,
bc: bc,
miner: m,
chainDb: chainDb,
eventMux: eventMux,
am: am,
newBlockSubscriptions: make(map[string]func(core.ChainEvent) error),
gpo: gpo,
}
go api.subscriptionLoop()
return api
}
// subscriptionLoop reads events from the global event mux and creates notifications for the matched subscriptions.
func (s *PublicBlockChainAPI) subscriptionLoop() {
sub := s.eventMux.Subscribe(core.ChainEvent{})
for event := range sub.Chan() {
if chainEvent, ok := event.Data.(core.ChainEvent); ok {
s.muNewBlockSubscriptions.Lock()
for id, notifyOf := range s.newBlockSubscriptions {
if notifyOf(chainEvent) == rpc.ErrNotificationNotFound {
delete(s.newBlockSubscriptions, id)
}
}
s.muNewBlockSubscriptions.Unlock()
}
}
}
// BlockNumber returns the block number of the chain head.
func (s *PublicBlockChainAPI) BlockNumber() *big.Int {
return s.bc.CurrentHeader().Number
}
// GetBalance returns the amount of wei for the given address in the state of the
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
// block numbers are also allowed.
func (s *PublicBlockChainAPI) GetBalance(address common.Address, blockNr rpc.BlockNumber) (*big.Int, error) {
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if state == nil || err != nil {
return nil, err
}
return state.GetBalance(address), nil
}
// GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all
// transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetBlockByNumber(blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
response, err := s.rpcOutputBlock(block, true, fullTx)
if err == nil && blockNr == rpc.PendingBlockNumber {
// Pending blocks need to nil out a few fields
for _, field := range []string{"hash", "nonce", "logsBloom", "miner"} {
response[field] = nil
}
}
return response, err
}
return nil, nil
}
// GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
// detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetBlockByHash(blockHash common.Hash, fullTx bool) (map[string]interface{}, error) {
if block := s.bc.GetBlockByHash(blockHash); block != nil {
return s.rpcOutputBlock(block, true, fullTx)
}
return nil, nil
}
// GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (map[string]interface{}, error) {
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
uncles := block.Uncles()
if index.Int() < 0 || index.Int() >= len(uncles) {
glog.V(logger.Debug).Infof("uncle block on index %d not found for block #%d", index.Int(), blockNr)
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index.Int()])
return s.rpcOutputBlock(block, false, false)
}
return nil, nil
}
// GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (map[string]interface{}, error) {
if block := s.bc.GetBlockByHash(blockHash); block != nil {
uncles := block.Uncles()
if index.Int() < 0 || index.Int() >= len(uncles) {
glog.V(logger.Debug).Infof("uncle block on index %d not found for block %s", index.Int(), blockHash.Hex())
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index.Int()])
return s.rpcOutputBlock(block, false, false)
}
return nil, nil
}
// GetUncleCountByBlockNumber returns number of uncles in the block for the given block number
func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(blockNr rpc.BlockNumber) *rpc.HexNumber {
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
return rpc.NewHexNumber(len(block.Uncles()))
}
return nil
}
// GetUncleCountByBlockHash returns number of uncles in the block for the given block hash
func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(blockHash common.Hash) *rpc.HexNumber {
if block := s.bc.GetBlockByHash(blockHash); block != nil {
return rpc.NewHexNumber(len(block.Uncles()))
}
return nil
}
// NewBlocksArgs allows the user to specify if the returned block should include transactions and in which format.
type NewBlocksArgs struct {
IncludeTransactions bool `json:"includeTransactions"`
TransactionDetails bool `json:"transactionDetails"`
}
// NewBlocks triggers a new block event each time a block is appended to the chain. It accepts an argument which allows
// the caller to specify whether the output should contain transactions and in what format.
func (s *PublicBlockChainAPI) NewBlocks(ctx context.Context, args NewBlocksArgs) (rpc.Subscription, error) {
notifier, supported := rpc.NotifierFromContext(ctx)
if !supported {
return nil, rpc.ErrNotificationsUnsupported
}
// create a subscription that will remove itself when unsubscribed/cancelled
subscription, err := notifier.NewSubscription(func(subId string) {
s.muNewBlockSubscriptions.Lock()
delete(s.newBlockSubscriptions, subId)
s.muNewBlockSubscriptions.Unlock()
})
if err != nil {
return nil, err
}
// add a callback that is called on chain events which will format the block and notify the client
s.muNewBlockSubscriptions.Lock()
s.newBlockSubscriptions[subscription.ID()] = func(e core.ChainEvent) error {
notification, err := s.rpcOutputBlock(e.Block, args.IncludeTransactions, args.TransactionDetails)
if err == nil {
return subscription.Notify(notification)
}
glog.V(logger.Warn).Info("unable to format block %v\n", err)
return nil
}
s.muNewBlockSubscriptions.Unlock()
return subscription, nil
}
// GetCode returns the code stored at the given address in the state for the given block number.
func (s *PublicBlockChainAPI) GetCode(address common.Address, blockNr rpc.BlockNumber) (string, error) {
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if state == nil || err != nil {
return "", err
}
res := state.GetCode(address)
if len(res) == 0 { // backwards compatibility
return "0x", nil
}
return common.ToHex(res), nil
}
// GetStorageAt returns the storage from the state at the given address, key and
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
// numbers are also allowed.
func (s *PublicBlockChainAPI) GetStorageAt(address common.Address, key string, blockNr rpc.BlockNumber) (string, error) {
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if state == nil || err != nil {
return "0x", err
}
return state.GetState(address, common.HexToHash(key)).Hex(), nil
}
// callmsg is the message type used for call transactions.
type callmsg struct {
from *state.StateObject
to *common.Address
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// accessor boilerplate to implement core.Message
func (m callmsg) From() (common.Address, error) { return m.from.Address(), nil }
func (m callmsg) FromFrontier() (common.Address, error) { return m.from.Address(), nil }
func (m callmsg) Nonce() uint64 { return m.from.Nonce() }
func (m callmsg) To() *common.Address { return m.to }
func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
func (m callmsg) Gas() *big.Int { return m.gas }
func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }
// CallArgs represents the arguments for a call.
type CallArgs struct {
From common.Address `json:"from"`
To *common.Address `json:"to"`
Gas *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Value rpc.HexNumber `json:"value"`
Data string `json:"data"`
}
func (s *PublicBlockChainAPI) doCall(args CallArgs, blockNr rpc.BlockNumber) (string, *big.Int, error) {
// Fetch the state associated with the block number
stateDb, block, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if stateDb == nil || err != nil {
return "0x", nil, err
}
stateDb = stateDb.Copy()
// Retrieve the account state object to interact with
var from *state.StateObject
if args.From == (common.Address{}) {
accounts := s.am.Accounts()
if len(accounts) == 0 {
from = stateDb.GetOrNewStateObject(common.Address{})
} else {
from = stateDb.GetOrNewStateObject(accounts[0].Address)
}
} else {
from = stateDb.GetOrNewStateObject(args.From)
}
from.SetBalance(common.MaxBig)
// Assemble the CALL invocation
msg := callmsg{
from: from,
to: args.To,
gas: args.Gas.BigInt(),
gasPrice: args.GasPrice.BigInt(),
value: args.Value.BigInt(),
data: common.FromHex(args.Data),
}
if msg.gas == nil {
msg.gas = big.NewInt(50000000)
}
if msg.gasPrice == nil {
msg.gasPrice = s.gpo.SuggestPrice()
}
// Execute the call and return
vmenv := core.NewEnv(stateDb, s.config, s.bc, msg, block.Header(), s.config.VmConfig)
gp := new(core.GasPool).AddGas(common.MaxBig)
res, requiredGas, _, err := core.NewStateTransition(vmenv, msg, gp).TransitionDb()
if len(res) == 0 { // backwards compatibility
return "0x", requiredGas, err
}
return common.ToHex(res), requiredGas, err
}
// Call executes the given transaction on the state for the given block number.
// It doesn't make and changes in the state/blockchain and is useful to execute and retrieve values.
func (s *PublicBlockChainAPI) Call(args CallArgs, blockNr rpc.BlockNumber) (string, error) {
result, _, err := s.doCall(args, blockNr)
return result, err
}
// EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.
func (s *PublicBlockChainAPI) EstimateGas(args CallArgs) (*rpc.HexNumber, error) {
_, gas, err := s.doCall(args, rpc.PendingBlockNumber)
return rpc.NewHexNumber(gas), err
}
// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
// transaction hashes.
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields := map[string]interface{}{
"number": rpc.NewHexNumber(b.Number()),
"hash": b.Hash(),
"parentHash": b.ParentHash(),
"nonce": b.Header().Nonce,
"sha3Uncles": b.UncleHash(),
"logsBloom": b.Bloom(),
"stateRoot": b.Root(),
"miner": b.Coinbase(),
"difficulty": rpc.NewHexNumber(b.Difficulty()),
"totalDifficulty": rpc.NewHexNumber(s.bc.GetTd(b.Hash(), b.NumberU64())),
"extraData": fmt.Sprintf("0x%x", b.Extra()),
"size": rpc.NewHexNumber(b.Size().Int64()),
"gasLimit": rpc.NewHexNumber(b.GasLimit()),
"gasUsed": rpc.NewHexNumber(b.GasUsed()),
"timestamp": rpc.NewHexNumber(b.Time()),
"transactionsRoot": b.TxHash(),
"receiptRoot": b.ReceiptHash(),
}
if inclTx {
formatTx := func(tx *types.Transaction) (interface{}, error) {
return tx.Hash(), nil
}
if fullTx {
formatTx = func(tx *types.Transaction) (interface{}, error) {
return newRPCTransaction(b, tx.Hash())
}
}
txs := b.Transactions()
transactions := make([]interface{}, len(txs))
var err error
for i, tx := range b.Transactions() {
if transactions[i], err = formatTx(tx); err != nil {
return nil, err
}
}
fields["transactions"] = transactions
}
uncles := b.Uncles()
uncleHashes := make([]common.Hash, len(uncles))
for i, uncle := range uncles {
uncleHashes[i] = uncle.Hash()
}
fields["uncles"] = uncleHashes
return fields, nil
}
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash common.Hash `json:"blockHash"`
BlockNumber *rpc.HexNumber `json:"blockNumber"`
From common.Address `json:"from"`
Gas *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
Input string `json:"input"`
Nonce *rpc.HexNumber `json:"nonce"`
To *common.Address `json:"to"`
TransactionIndex *rpc.HexNumber `json:"transactionIndex"`
Value *rpc.HexNumber `json:"value"`
}
// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
from, _ := tx.FromFrontier()
return &RPCTransaction{
From: from,
Gas: rpc.NewHexNumber(tx.Gas()),
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
Hash: tx.Hash(),
Input: fmt.Sprintf("0x%x", tx.Data()),
Nonce: rpc.NewHexNumber(tx.Nonce()),
To: tx.To(),
Value: rpc.NewHexNumber(tx.Value()),
}
}
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
if txIndex >= 0 && txIndex < len(b.Transactions()) {
tx := b.Transactions()[txIndex]
from, err := tx.FromFrontier()
if err != nil {
return nil, err
}
return &RPCTransaction{
BlockHash: b.Hash(),
BlockNumber: rpc.NewHexNumber(b.Number()),
From: from,
Gas: rpc.NewHexNumber(tx.Gas()),
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
Hash: tx.Hash(),
Input: fmt.Sprintf("0x%x", tx.Data()),
Nonce: rpc.NewHexNumber(tx.Nonce()),
To: tx.To(),
TransactionIndex: rpc.NewHexNumber(txIndex),
Value: rpc.NewHexNumber(tx.Value()),
}, nil
}
return nil, nil
}
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
func newRPCTransaction(b *types.Block, txHash common.Hash) (*RPCTransaction, error) {
for idx, tx := range b.Transactions() {
if tx.Hash() == txHash {
return newRPCTransactionFromBlockIndex(b, idx)
}
}
return nil, nil
}
// PublicTransactionPoolAPI exposes methods for the RPC interface
type PublicTransactionPoolAPI struct {
eventMux *event.TypeMux
chainDb ethdb.Database
gpo *GasPriceOracle
bc *core.BlockChain
miner *miner.Miner
am *accounts.Manager
txPool *core.TxPool
txMu *sync.Mutex
muPendingTxSubs sync.Mutex
pendingTxSubs map[string]rpc.Subscription
}
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
func NewPublicTransactionPoolAPI(e *Ethereum) *PublicTransactionPoolAPI {
api := &PublicTransactionPoolAPI{
eventMux: e.eventMux,
gpo: e.gpo,
chainDb: e.chainDb,
bc: e.blockchain,
am: e.accountManager,
txPool: e.txPool,
txMu: &e.txMu,
miner: e.miner,
pendingTxSubs: make(map[string]rpc.Subscription),
}
go api.subscriptionLoop()
return api
}
// subscriptionLoop listens for events on the global event mux and creates notifications for subscriptions.
func (s *PublicTransactionPoolAPI) subscriptionLoop() {
sub := s.eventMux.Subscribe(core.TxPreEvent{})
for event := range sub.Chan() {
tx := event.Data.(core.TxPreEvent)
if from, err := tx.Tx.FromFrontier(); err == nil {
if s.am.HasAddress(from) {
s.muPendingTxSubs.Lock()
for id, sub := range s.pendingTxSubs {
if sub.Notify(tx.Tx.Hash()) == rpc.ErrNotificationNotFound {
delete(s.pendingTxSubs, id)
}
}
s.muPendingTxSubs.Unlock()
}
}
}
// PrivateFullAdminAPI is the collection of Etheruem full node-related APIs
// exposed over the private admin endpoint.
type PrivateFullAdminAPI struct {
eth *FullNodeService
}
func getTransaction(chainDb ethdb.Database, txPool *core.TxPool, txHash common.Hash) (*types.Transaction, bool, error) {
txData, err := chainDb.Get(txHash.Bytes())
isPending := false
tx := new(types.Transaction)
if err == nil && len(txData) > 0 {
if err := rlp.DecodeBytes(txData, tx); err != nil {
return nil, isPending, err
}
} else {
// pending transaction?
tx = txPool.GetTransaction(txHash)
isPending = true
}
return tx, isPending, nil
}
// GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(blockNr rpc.BlockNumber) *rpc.HexNumber {
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
return rpc.NewHexNumber(len(block.Transactions()))
}
return nil
}
// GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(blockHash common.Hash) *rpc.HexNumber {
if block := s.bc.GetBlockByHash(blockHash); block != nil {
return rpc.NewHexNumber(len(block.Transactions()))
}
return nil
}
// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(blockNr rpc.BlockNumber, index rpc.HexNumber) (*RPCTransaction, error) {
if block := blockByNumber(s.miner, s.bc, blockNr); block != nil {
return newRPCTransactionFromBlockIndex(block, index.Int())
}
return nil, nil
}
// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(blockHash common.Hash, index rpc.HexNumber) (*RPCTransaction, error) {
if block := s.bc.GetBlockByHash(blockHash); block != nil {
return newRPCTransactionFromBlockIndex(block, index.Int())
}
return nil, nil
}
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
func (s *PublicTransactionPoolAPI) GetTransactionCount(address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error) {
state, _, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if state == nil || err != nil {
return nil, err
}
return rpc.NewHexNumber(state.GetNonce(address)), nil
}
// getTransactionBlockData fetches the meta data for the given transaction from the chain database. This is useful to
// retrieve block information for a hash. It returns the block hash, block index and transaction index.
func getTransactionBlockData(chainDb ethdb.Database, txHash common.Hash) (common.Hash, uint64, uint64, error) {
var txBlock struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
blockData, err := chainDb.Get(append(txHash.Bytes(), 0x0001))
if err != nil {
return common.Hash{}, uint64(0), uint64(0), err
}
reader := bytes.NewReader(blockData)
if err = rlp.Decode(reader, &txBlock); err != nil {
return common.Hash{}, uint64(0), uint64(0), err
}
return txBlock.BlockHash, txBlock.BlockIndex, txBlock.Index, nil
}
// GetTransactionByHash returns the transaction for the given hash
func (s *PublicTransactionPoolAPI) GetTransactionByHash(txHash common.Hash) (*RPCTransaction, error) {
var tx *types.Transaction
var isPending bool
var err error
if tx, isPending, err = getTransaction(s.chainDb, s.txPool, txHash); err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
} else if tx == nil {
return nil, nil
}
if isPending {
return newRPCPendingTransaction(tx), nil
}
blockHash, _, _, err := getTransactionBlockData(s.chainDb, txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
if block := s.bc.GetBlockByHash(blockHash); block != nil {
return newRPCTransaction(block, txHash)
}
return nil, nil
}
// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (map[string]interface{}, error) {
receipt := core.GetReceipt(s.chainDb, txHash)
if receipt == nil {
glog.V(logger.Debug).Infof("receipt not found for transaction %s", txHash.Hex())
return nil, nil
}
tx, _, err := getTransaction(s.chainDb, s.txPool, txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
txBlock, blockIndex, index, err := getTransactionBlockData(s.chainDb, txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
from, err := tx.FromFrontier()
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
fields := map[string]interface{}{
"root": common.Bytes2Hex(receipt.PostState),
"blockHash": txBlock,
"blockNumber": rpc.NewHexNumber(blockIndex),
"transactionHash": txHash,
"transactionIndex": rpc.NewHexNumber(index),
"from": from,
"to": tx.To(),
"gasUsed": rpc.NewHexNumber(receipt.GasUsed),
"cumulativeGasUsed": rpc.NewHexNumber(receipt.CumulativeGasUsed),
"contractAddress": nil,
"logs": receipt.Logs,
}
if receipt.Logs == nil {
fields["logs"] = []vm.Logs{}
}
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
if bytes.Compare(receipt.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
fields["contractAddress"] = receipt.ContractAddress
}
return fields, nil
}
// sign is a helper function that signs a transaction with the private key of the given address.
func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
signature, err := s.am.Sign(addr, tx.SigHash().Bytes())
if err != nil {
return nil, err
}
return tx.WithSignature(signature)
}
// SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
type SendTxArgs struct {
From common.Address `json:"from"`
To *common.Address `json:"to"`
Gas *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
Nonce *rpc.HexNumber `json:"nonce"`
}
// prepareSendTxArgs is a helper function that fills in default values for unspecified tx fields.
func prepareSendTxArgs(args SendTxArgs, gpo *GasPriceOracle) SendTxArgs {
if args.Gas == nil {
args.Gas = rpc.NewHexNumber(defaultGas)
}
if args.GasPrice == nil {
args.GasPrice = rpc.NewHexNumber(gpo.SuggestPrice())
}
if args.Value == nil {
args.Value = rpc.NewHexNumber(0)
}
return args
}
// submitTransaction is a helper function that submits tx to txPool and creates a log entry.
func submitTransaction(txPool *core.TxPool, tx *types.Transaction, signature []byte) (common.Hash, error) {
signedTx, err := tx.WithSignature(signature)
if err != nil {
return common.Hash{}, err
}
txPool.SetLocal(signedTx)
if err := txPool.Add(signedTx); err != nil {
return common.Hash{}, err
}
if signedTx.To() == nil {
from, _ := signedTx.From()
addr := crypto.CreateAddress(from, signedTx.Nonce())
glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex())
} else {
glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signedTx.Hash().Hex(), tx.To().Hex())
}
return signedTx.Hash(), nil
}
// SendTransaction creates a transaction for the given argument, sign it and submit it to the
// transaction pool.
func (s *PublicTransactionPoolAPI) SendTransaction(args SendTxArgs) (common.Hash, error) {
args = prepareSendTxArgs(args, s.gpo)
s.txMu.Lock()
defer s.txMu.Unlock()
if args.Nonce == nil {
args.Nonce = rpc.NewHexNumber(s.txPool.State().GetNonce(args.From))
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signature, err := s.am.Sign(args.From, tx.SigHash().Bytes())
if err != nil {
return common.Hash{}, err
}
return submitTransaction(s.txPool, tx, signature)
}
// SendRawTransaction will add the signed transaction to the transaction pool.
// The sender is responsible for signing the transaction and using the correct nonce.
func (s *PublicTransactionPoolAPI) SendRawTransaction(encodedTx string) (string, error) {
tx := new(types.Transaction)
if err := rlp.DecodeBytes(common.FromHex(encodedTx), tx); err != nil {
return "", err
}
s.txPool.SetLocal(tx)
if err := s.txPool.Add(tx); err != nil {
return "", err
}
if tx.To() == nil {
from, err := tx.FromFrontier()
if err != nil {
return "", err
}
addr := crypto.CreateAddress(from, tx.Nonce())
glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
} else {
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
}
return tx.Hash().Hex(), nil
}
// Sign signs the given hash using the key that matches the address. The key must be
// unlocked in order to sign the hash.
func (s *PublicTransactionPoolAPI) Sign(addr common.Address, hash common.Hash) (string, error) {
signature, error := s.am.Sign(addr, hash[:])
return common.ToHex(signature), error
}
// SignTransactionArgs represents the arguments to sign a transaction.
type SignTransactionArgs struct {
From common.Address
To *common.Address
Nonce *rpc.HexNumber
Value *rpc.HexNumber
Gas *rpc.HexNumber
GasPrice *rpc.HexNumber
Data string
BlockNumber int64
}
// Tx is a helper object for argument and return values
type Tx struct {
tx *types.Transaction
To *common.Address `json:"to"`
From common.Address `json:"from"`
Nonce *rpc.HexNumber `json:"nonce"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
GasLimit *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
}
// UnmarshalJSON parses JSON data into tx.
func (tx *Tx) UnmarshalJSON(b []byte) (err error) {
req := struct {
To *common.Address `json:"to"`
From common.Address `json:"from"`
Nonce *rpc.HexNumber `json:"nonce"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
GasLimit *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
}{}
if err := json.Unmarshal(b, &req); err != nil {
return err
}
tx.To = req.To
tx.From = req.From
tx.Nonce = req.Nonce
tx.Value = req.Value
tx.Data = req.Data
tx.GasLimit = req.GasLimit
tx.GasPrice = req.GasPrice
tx.Hash = req.Hash
data := common.Hex2Bytes(tx.Data)
if tx.Nonce == nil {
return fmt.Errorf("need nonce")
}
if tx.Value == nil {
tx.Value = rpc.NewHexNumber(0)
}
if tx.GasLimit == nil {
tx.GasLimit = rpc.NewHexNumber(0)
}
if tx.GasPrice == nil {
tx.GasPrice = rpc.NewHexNumber(int64(50000000000))
}
if req.To == nil {
tx.tx = types.NewContractCreation(tx.Nonce.Uint64(), tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
} else {
tx.tx = types.NewTransaction(tx.Nonce.Uint64(), *tx.To, tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
}
return nil
}
// SignTransactionResult represents a RLP encoded signed transaction.
type SignTransactionResult struct {
Raw string `json:"raw"`
Tx *Tx `json:"tx"`
}
func newTx(t *types.Transaction) *Tx {
from, _ := t.FromFrontier()
return &Tx{
tx: t,
To: t.To(),
From: from,
Value: rpc.NewHexNumber(t.Value()),
Nonce: rpc.NewHexNumber(t.Nonce()),
Data: "0x" + common.Bytes2Hex(t.Data()),
GasLimit: rpc.NewHexNumber(t.Gas()),
GasPrice: rpc.NewHexNumber(t.GasPrice()),
Hash: t.Hash(),
}
}
// SignTransaction will sign the given transaction with the from account.
// The node needs to have the private key of the account corresponding with
// the given from address and it needs to be unlocked.
func (s *PublicTransactionPoolAPI) SignTransaction(args SignTransactionArgs) (*SignTransactionResult, error) {
if args.Gas == nil {
args.Gas = rpc.NewHexNumber(defaultGas)
}
if args.GasPrice == nil {
args.GasPrice = rpc.NewHexNumber(s.gpo.SuggestPrice())
}
if args.Value == nil {
args.Value = rpc.NewHexNumber(0)
}
s.txMu.Lock()
defer s.txMu.Unlock()
if args.Nonce == nil {
args.Nonce = rpc.NewHexNumber(s.txPool.State().GetNonce(args.From))
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signedTx, err := s.sign(args.From, tx)
if err != nil {
return nil, err
}
data, err := rlp.EncodeToBytes(signedTx)
if err != nil {
return nil, err
}
return &SignTransactionResult{"0x" + common.Bytes2Hex(data), newTx(signedTx)}, nil
}
// PendingTransactions returns the transactions that are in the transaction pool and have a from address that is one of
// the accounts this node manages.
func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
pending := s.txPool.GetTransactions()
transactions := make([]*RPCTransaction, 0, len(pending))
for _, tx := range pending {
from, _ := tx.FromFrontier()
if s.am.HasAddress(from) {
transactions = append(transactions, newRPCPendingTransaction(tx))
}
}
return transactions
}
// NewPendingTransactions creates a subscription that is triggered each time a transaction enters the transaction pool
// and is send from one of the transactions this nodes manages.
func (s *PublicTransactionPoolAPI) NewPendingTransactions(ctx context.Context) (rpc.Subscription, error) {
notifier, supported := rpc.NotifierFromContext(ctx)
if !supported {
return nil, rpc.ErrNotificationsUnsupported
}
subscription, err := notifier.NewSubscription(func(id string) {
s.muPendingTxSubs.Lock()
delete(s.pendingTxSubs, id)
s.muPendingTxSubs.Unlock()
})
if err != nil {
return nil, err
}
s.muPendingTxSubs.Lock()
s.pendingTxSubs[subscription.ID()] = subscription
s.muPendingTxSubs.Unlock()
return subscription, nil
}
// Resend accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the
// pool and reinsert it with the new gas price and limit.
func (s *PublicTransactionPoolAPI) Resend(tx Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error) {
pending := s.txPool.GetTransactions()
for _, p := range pending {
if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
if gasPrice == nil {
gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
}
if gasLimit == nil {
gasLimit = rpc.NewHexNumber(tx.tx.Gas())
}
var newTx *types.Transaction
if tx.tx.To() == nil {
newTx = types.NewContractCreation(tx.tx.Nonce(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
} else {
newTx = types.NewTransaction(tx.tx.Nonce(), *tx.tx.To(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
}
signedTx, err := s.sign(tx.From, newTx)
if err != nil {
return common.Hash{}, err
}
s.txPool.RemoveTx(tx.Hash)
if err = s.txPool.Add(signedTx); err != nil {
return common.Hash{}, err
}
return signedTx.Hash(), nil
}
}
return common.Hash{}, fmt.Errorf("Transaction %#x not found", tx.Hash)
}
// PrivateAdminAPI is the collection of Etheruem APIs exposed over the private
// admin endpoint.
type PrivateAdminAPI struct {
eth *Ethereum
}
// NewPrivateAdminAPI creates a new API definition for the private admin methods
// of the Ethereum service.
func NewPrivateAdminAPI(eth *Ethereum) *PrivateAdminAPI {
return &PrivateAdminAPI{eth: eth}
}
// SetSolc sets the Solidity compiler path to be used by the node.
func (api *PrivateAdminAPI) SetSolc(path string) (string, error) {
solc, err := api.eth.SetSolc(path)
if err != nil {
return "", err
}
return solc.Info(), nil
// NewPrivateAdminAPI creates a new API definition for the full node private
// admin methods of the Ethereum service.
func NewPrivateFullAdminAPI(eth *FullNodeService) *PrivateFullAdminAPI {
return &PrivateFullAdminAPI{eth: eth}
}
// ExportChain exports the current blockchain into a local file.
func (api *PrivateAdminAPI) ExportChain(file string) (bool, error) {
func (api *PrivateFullAdminAPI) ExportChain(file string) (bool, error) {
// Make sure we can create the file to export into
out, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.ModePerm)
if err != nil {
......@@ -1521,7 +230,7 @@ func hasAllBlocks(chain *core.BlockChain, bs []*types.Block) bool {
}
// ImportChain imports a blockchain from a local file.
func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) {
func (api *PrivateFullAdminAPI) ImportChain(file string) (bool, error) {
// Make sure the can access the file to import
in, err := os.Open(file)
if err != nil {
......@@ -1562,20 +271,20 @@ func (api *PrivateAdminAPI) ImportChain(file string) (bool, error) {
return true, nil
}
// PublicDebugAPI is the collection of Etheruem APIs exposed over the public
// debugging endpoint.
type PublicDebugAPI struct {
eth *Ethereum
// PublicFullDebugAPI is the collection of Etheruem full node APIs exposed
// over the public debugging endpoint.
type PublicFullDebugAPI struct {
eth *FullNodeService
}
// NewPublicDebugAPI creates a new API definition for the public debug methods
// of the Ethereum service.
func NewPublicDebugAPI(eth *Ethereum) *PublicDebugAPI {
return &PublicDebugAPI{eth: eth}
// NewPublicFullDebugAPI creates a new API definition for the full node-
// related public debug methods of the Ethereum service.
func NewPublicFullDebugAPI(eth *FullNodeService) *PublicFullDebugAPI {
return &PublicFullDebugAPI{eth: eth}
}
// DumpBlock retrieves the entire state of the database at a given block.
func (api *PublicDebugAPI) DumpBlock(number uint64) (state.World, error) {
func (api *PublicFullDebugAPI) DumpBlock(number uint64) (state.World, error) {
block := api.eth.BlockChain().GetBlockByNumber(number)
if block == nil {
return state.World{}, fmt.Errorf("block #%d not found", number)
......@@ -1587,81 +296,30 @@ func (api *PublicDebugAPI) DumpBlock(number uint64) (state.World, error) {
return stateDb.RawDump(), nil
}
// GetBlockRlp retrieves the RLP encoded for of a single block.
func (api *PublicDebugAPI) GetBlockRlp(number uint64) (string, error) {
block := api.eth.BlockChain().GetBlockByNumber(number)
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
encoded, err := rlp.EncodeToBytes(block)
if err != nil {
return "", err
}
return fmt.Sprintf("%x", encoded), nil
}
// PrintBlock retrieves a block and returns its pretty printed form.
func (api *PublicDebugAPI) PrintBlock(number uint64) (string, error) {
block := api.eth.BlockChain().GetBlockByNumber(number)
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
return fmt.Sprintf("%s", block), nil
}
// SeedHash retrieves the seed hash of a block.
func (api *PublicDebugAPI) SeedHash(number uint64) (string, error) {
block := api.eth.BlockChain().GetBlockByNumber(number)
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
hash, err := ethash.GetSeedHash(number)
if err != nil {
return "", err
}
return fmt.Sprintf("0x%x", hash), nil
}
// PrivateDebugAPI is the collection of Etheruem APIs exposed over the private
// debugging endpoint.
type PrivateDebugAPI struct {
// PrivateFullDebugAPI is the collection of Etheruem full node APIs exposed over
// the private debugging endpoint.
type PrivateFullDebugAPI struct {
config *core.ChainConfig
eth *Ethereum
}
// NewPrivateDebugAPI creates a new API definition for the private debug methods
// of the Ethereum service.
func NewPrivateDebugAPI(config *core.ChainConfig, eth *Ethereum) *PrivateDebugAPI {
return &PrivateDebugAPI{config: config, eth: eth}
eth *FullNodeService
}
// ChaindbProperty returns leveldb properties of the chain database.
func (api *PrivateDebugAPI) ChaindbProperty(property string) (string, error) {
ldb, ok := api.eth.chainDb.(interface {
LDB() *leveldb.DB
})
if !ok {
return "", fmt.Errorf("chaindbProperty does not work for memory databases")
}
if property == "" {
property = "leveldb.stats"
} else if !strings.HasPrefix(property, "leveldb.") {
property = "leveldb." + property
}
return ldb.LDB().GetProperty(property)
// NewPrivateFullDebugAPI creates a new API definition for the full node-related
// private debug methods of the Ethereum service.
func NewPrivateFullDebugAPI(config *core.ChainConfig, eth *FullNodeService) *PrivateFullDebugAPI {
return &PrivateFullDebugAPI{config: config, eth: eth}
}
// BlockTraceResult is the returned value when replaying a block to check for
// consensus results and full VM trace logs for all included transactions.
type BlockTraceResult struct {
Validated bool `json:"validated"`
StructLogs []structLogRes `json:"structLogs"`
StructLogs []ethapi.StructLogRes `json:"structLogs"`
Error string `json:"error"`
}
// TraceBlock processes the given block's RLP but does not import the block in to
// the chain.
func (api *PrivateDebugAPI) TraceBlock(blockRlp []byte, config *vm.Config) BlockTraceResult {
func (api *PrivateFullDebugAPI) TraceBlock(blockRlp []byte, config *vm.Config) BlockTraceResult {
var block types.Block
err := rlp.Decode(bytes.NewReader(blockRlp), &block)
if err != nil {
......@@ -1671,14 +329,14 @@ func (api *PrivateDebugAPI) TraceBlock(blockRlp []byte, config *vm.Config) Block
validated, logs, err := api.traceBlock(&block, config)
return BlockTraceResult{
Validated: validated,
StructLogs: formatLogs(logs),
StructLogs: ethapi.FormatLogs(logs),
Error: formatError(err),
}
}
// TraceBlockFromFile loads the block's RLP from the given file name and attempts to
// process it but does not import the block in to the chain.
func (api *PrivateDebugAPI) TraceBlockFromFile(file string, config *vm.Config) BlockTraceResult {
func (api *PrivateFullDebugAPI) TraceBlockFromFile(file string, config *vm.Config) BlockTraceResult {
blockRlp, err := ioutil.ReadFile(file)
if err != nil {
return BlockTraceResult{Error: fmt.Sprintf("could not read file: %v", err)}
......@@ -1687,7 +345,7 @@ func (api *PrivateDebugAPI) TraceBlockFromFile(file string, config *vm.Config) B
}
// TraceBlockByNumber processes the block by canonical block number.
func (api *PrivateDebugAPI) TraceBlockByNumber(number uint64, config *vm.Config) BlockTraceResult {
func (api *PrivateFullDebugAPI) TraceBlockByNumber(number uint64, config *vm.Config) BlockTraceResult {
// Fetch the block that we aim to reprocess
block := api.eth.BlockChain().GetBlockByNumber(number)
if block == nil {
......@@ -1697,13 +355,13 @@ func (api *PrivateDebugAPI) TraceBlockByNumber(number uint64, config *vm.Config)
validated, logs, err := api.traceBlock(block, config)
return BlockTraceResult{
Validated: validated,
StructLogs: formatLogs(logs),
StructLogs: ethapi.FormatLogs(logs),
Error: formatError(err),
}
}
// TraceBlockByHash processes the block by hash.
func (api *PrivateDebugAPI) TraceBlockByHash(hash common.Hash, config *vm.Config) BlockTraceResult {
func (api *PrivateFullDebugAPI) TraceBlockByHash(hash common.Hash, config *vm.Config) BlockTraceResult {
// Fetch the block that we aim to reprocess
block := api.eth.BlockChain().GetBlockByHash(hash)
if block == nil {
......@@ -1713,7 +371,7 @@ func (api *PrivateDebugAPI) TraceBlockByHash(hash common.Hash, config *vm.Config
validated, logs, err := api.traceBlock(block, config)
return BlockTraceResult{
Validated: validated,
StructLogs: formatLogs(logs),
StructLogs: ethapi.FormatLogs(logs),
Error: formatError(err),
}
}
......@@ -1731,7 +389,7 @@ func (t *TraceCollector) AddStructLog(slog vm.StructLog) {
}
// traceBlock processes the given block but does not save the state.
func (api *PrivateDebugAPI) traceBlock(block *types.Block, config *vm.Config) (bool, []vm.StructLog, error) {
func (api *PrivateFullDebugAPI) traceBlock(block *types.Block, config *vm.Config) (bool, []vm.StructLog, error) {
// Validate and reprocess the block
var (
blockchain = api.eth.BlockChain()
......@@ -1763,63 +421,25 @@ func (api *PrivateDebugAPI) traceBlock(block *types.Block, config *vm.Config) (b
return true, collector.traces, nil
}
// SetHead rewinds the head of the blockchain to a previous block.
func (api *PrivateDebugAPI) SetHead(number uint64) {
api.eth.BlockChain().SetHead(number)
}
// ExecutionResult groups all structured logs emitted by the EVM
// while replaying a transaction in debug mode as well as the amount of
// gas used and the return value
type ExecutionResult struct {
Gas *big.Int `json:"gas"`
ReturnValue string `json:"returnValue"`
StructLogs []structLogRes `json:"structLogs"`
}
// structLogRes stores a structured log emitted by the EVM while replaying a
// transaction in debug mode
type structLogRes struct {
Pc uint64 `json:"pc"`
Op string `json:"op"`
Gas *big.Int `json:"gas"`
GasCost *big.Int `json:"gasCost"`
Depth int `json:"depth"`
Error string `json:"error"`
Stack []string `json:"stack"`
Memory []string `json:"memory"`
Storage map[string]string `json:"storage"`
// callmsg is the message type used for call transations.
type callmsg struct {
addr common.Address
nonce uint64
to *common.Address
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// formatLogs formats EVM returned structured logs for json output
func formatLogs(structLogs []vm.StructLog) []structLogRes {
formattedStructLogs := make([]structLogRes, len(structLogs))
for index, trace := range structLogs {
formattedStructLogs[index] = structLogRes{
Pc: trace.Pc,
Op: trace.Op.String(),
Gas: trace.Gas,
GasCost: trace.GasCost,
Depth: trace.Depth,
Error: formatError(trace.Err),
Stack: make([]string, len(trace.Stack)),
Storage: make(map[string]string),
}
for i, stackValue := range trace.Stack {
formattedStructLogs[index].Stack[i] = fmt.Sprintf("%x", common.LeftPadBytes(stackValue.Bytes(), 32))
}
for i := 0; i+32 <= len(trace.Memory); i += 32 {
formattedStructLogs[index].Memory = append(formattedStructLogs[index].Memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
}
for i, storageValue := range trace.Storage {
formattedStructLogs[index].Storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
}
}
return formattedStructLogs
}
// accessor boilerplate to implement core.Message
func (m callmsg) From() (common.Address, error) { return m.addr, nil }
func (m callmsg) FromFrontier() (common.Address, error) { return m.addr, nil }
func (m callmsg) Nonce() uint64 { return m.nonce }
func (m callmsg) To() *common.Address { return m.to }
func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
func (m callmsg) Gas() *big.Int { return m.gas }
func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }
// formatError formats a Go error into either an empty string or the data content
// of the error itself.
......@@ -1832,7 +452,7 @@ func formatError(err error) string {
// TraceTransaction returns the structured logs created during the execution of EVM
// and returns them as a JSON object.
func (api *PrivateDebugAPI) TraceTransaction(txHash common.Hash, logger *vm.LogConfig) (*ExecutionResult, error) {
func (api *PrivateFullDebugAPI) TraceTransaction(txHash common.Hash, logger *vm.LogConfig) (*ethapi.ExecutionResult, error) {
if logger == nil {
logger = new(vm.LogConfig)
}
......@@ -1862,7 +482,7 @@ func (api *PrivateDebugAPI) TraceTransaction(txHash common.Hash, logger *vm.LogC
return nil, fmt.Errorf("sender retrieval failed: %v", err)
}
msg := callmsg{
from: stateDb.GetOrNewStateObject(from),
addr: from,
to: tx.To(),
gas: tx.Gas(),
gasPrice: tx.GasPrice(),
......@@ -1885,90 +505,11 @@ func (api *PrivateDebugAPI) TraceTransaction(txHash common.Hash, logger *vm.LogC
if err != nil {
return nil, fmt.Errorf("tracing failed: %v", err)
}
return &ExecutionResult{
return &ethapi.ExecutionResult{
Gas: gas,
ReturnValue: fmt.Sprintf("%x", ret),
StructLogs: formatLogs(vmenv.StructLogs()),
StructLogs: ethapi.FormatLogs(vmenv.StructLogs()),
}, nil
}
return nil, errors.New("database inconsistency")
}
// TraceCall executes a call and returns the amount of gas, created logs and optionally returned values.
func (s *PublicBlockChainAPI) TraceCall(args CallArgs, blockNr rpc.BlockNumber) (*ExecutionResult, error) {
// Fetch the state associated with the block number
stateDb, block, err := stateAndBlockByNumber(s.miner, s.bc, blockNr, s.chainDb)
if stateDb == nil || err != nil {
return nil, err
}
stateDb = stateDb.Copy()
// Retrieve the account state object to interact with
var from *state.StateObject
if args.From == (common.Address{}) {
accounts := s.am.Accounts()
if len(accounts) == 0 {
from = stateDb.GetOrNewStateObject(common.Address{})
} else {
from = stateDb.GetOrNewStateObject(accounts[0].Address)
}
} else {
from = stateDb.GetOrNewStateObject(args.From)
}
from.SetBalance(common.MaxBig)
// Assemble the CALL invocation
msg := callmsg{
from: from,
to: args.To,
gas: args.Gas.BigInt(),
gasPrice: args.GasPrice.BigInt(),
value: args.Value.BigInt(),
data: common.FromHex(args.Data),
}
if msg.gas.Cmp(common.Big0) == 0 {
msg.gas = big.NewInt(50000000)
}
if msg.gasPrice.Cmp(common.Big0) == 0 {
msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
}
// Execute the call and return
vmenv := core.NewEnv(stateDb, s.config, s.bc, msg, block.Header(), vm.Config{
Debug: true,
})
gp := new(core.GasPool).AddGas(common.MaxBig)
ret, gas, err := core.ApplyMessage(vmenv, msg, gp)
return &ExecutionResult{
Gas: gas,
ReturnValue: fmt.Sprintf("%x", ret),
StructLogs: formatLogs(vmenv.StructLogs()),
}, nil
}
// PublicNetAPI offers network related RPC methods
type PublicNetAPI struct {
net *p2p.Server
networkVersion int
}
// NewPublicNetAPI creates a new net API instance.
func NewPublicNetAPI(net *p2p.Server, networkVersion int) *PublicNetAPI {
return &PublicNetAPI{net, networkVersion}
}
// Listening returns an indication if the node is listening for network connections.
func (s *PublicNetAPI) Listening() bool {
return true // always listening
}
// PeerCount returns the number of connected peers
func (s *PublicNetAPI) PeerCount() *rpc.HexNumber {
return rpc.NewHexNumber(s.net.PeerCount())
}
// Version returns the current ethereum protocol version.
func (s *PublicNetAPI) Version() string {
return fmt.Sprintf("%d", s.networkVersion)
}
eth/api_backend.go 0 → 100644
View file @ 1e50f5dd
// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package eth
import (
"math/big"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/ethapi"
rpc "github.com/ethereum/go-ethereum/rpc"
"golang.org/x/net/context"
)
// EthApiBackend implements ethapi.Backend for full nodes
type EthApiBackend struct {
eth *FullNodeService
gpo *gasprice.GasPriceOracle
}
func (b *EthApiBackend) SetHead(number uint64) {
b.eth.blockchain.SetHead(number)
}
func (b *EthApiBackend) HeaderByNumber(blockNr rpc.BlockNumber) *types.Header {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, _ := b.eth.miner.Pending()
return block.Header()
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentBlock().Header()
}
return b.eth.blockchain.GetHeaderByNumber(uint64(blockNr))
}
func (b *EthApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error) {
// Pending block is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, _ := b.eth.miner.Pending()
return block, nil
}
// Otherwise resolve and return the block
if blockNr == rpc.LatestBlockNumber {
return b.eth.blockchain.CurrentBlock(), nil
}
return b.eth.blockchain.GetBlockByNumber(uint64(blockNr)), nil
}
func (b *EthApiBackend) StateAndHeaderByNumber(blockNr rpc.BlockNumber) (ethapi.State, *types.Header, error) {
// Pending state is only known by the miner
if blockNr == rpc.PendingBlockNumber {
block, state := b.eth.miner.Pending()
return EthApiState{state}, block.Header(), nil
}
// Otherwise resolve the block number and return its state
header := b.HeaderByNumber(blockNr)
if header == nil {
return nil, nil, nil
}
stateDb, err := state.New(header.Root, b.eth.chainDb)
return EthApiState{stateDb}, header, err
}
func (b *EthApiBackend) GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error) {
return b.eth.blockchain.GetBlockByHash(blockHash), nil
}
func (b *EthApiBackend) GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error) {
return core.GetBlockReceipts(b.eth.chainDb, blockHash, core.GetBlockNumber(b.eth.chainDb, blockHash)), nil
}
func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int {
return b.eth.blockchain.GetTdByHash(blockHash)
}
func (b *EthApiBackend) GetVMEnv(ctx context.Context, msg core.Message, state ethapi.State, header *types.Header) (vm.Environment, func() error, error) {
stateDb := state.(EthApiState).state.Copy()
addr, _ := msg.From()
from := stateDb.GetOrNewStateObject(addr)
from.SetBalance(common.MaxBig)
vmError := func() error { return nil }
return core.NewEnv(stateDb, b.eth.chainConfig, b.eth.blockchain, msg, header, b.eth.chainConfig.VmConfig), vmError, nil
}
func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
b.eth.txPool.SetLocal(signedTx)
return b.eth.txPool.Add(signedTx)
}
func (b *EthApiBackend) RemoveTx(txHash common.Hash) {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
b.eth.txPool.RemoveTx(txHash)
}
func (b *EthApiBackend) GetPoolTransactions() types.Transactions {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
return b.eth.txPool.GetTransactions()
}
func (b *EthApiBackend) GetPoolTransaction(txHash common.Hash) *types.Transaction {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
return b.eth.txPool.GetTransaction(txHash)
}
func (b *EthApiBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error) {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
return b.eth.txPool.State().GetNonce(addr), nil
}
func (b *EthApiBackend) Stats() (pending int, queued int) {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
return b.eth.txPool.Stats()
}
func (b *EthApiBackend) TxPoolContent() (map[common.Address]map[uint64][]*types.Transaction, map[common.Address]map[uint64][]*types.Transaction) {
b.eth.txMu.Lock()
defer b.eth.txMu.Unlock()
return b.eth.TxPool().Content()
}
func (b *EthApiBackend) Downloader() *downloader.Downloader {
return b.eth.Downloader()
}
func (b *EthApiBackend) ProtocolVersion() int {
return b.eth.EthVersion()
}
func (b *EthApiBackend) SuggestPrice(ctx context.Context) (*big.Int, error) {
return b.gpo.SuggestPrice(), nil
}
func (b *EthApiBackend) ChainDb() ethdb.Database {
return b.eth.ChainDb()
}
func (b *EthApiBackend) EventMux() *event.TypeMux {
return b.eth.EventMux()
}
func (b *EthApiBackend) AccountManager() *accounts.Manager {
return b.eth.AccountManager()
}
type EthApiState struct {
state *state.StateDB
}
func (s EthApiState) GetBalance(ctx context.Context, addr common.Address) (*big.Int, error) {
return s.state.GetBalance(addr), nil
}
func (s EthApiState) GetCode(ctx context.Context, addr common.Address) ([]byte, error) {
return s.state.GetCode(addr), nil
}
func (s EthApiState) GetState(ctx context.Context, a common.Address, b common.Hash) (common.Hash, error) {
return s.state.GetState(a, b), nil
}
func (s EthApiState) GetNonce(ctx context.Context, addr common.Address) (uint64, error) {
return s.state.GetNonce(addr), nil
}
eth/backend.go
View file @ 1e50f5dd
......@@ -39,8 +39,10 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/eth/filters"
"github.com/ethereum/go-ethereum/eth/gasprice"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/miner"
......@@ -101,139 +103,92 @@ type Config struct {
TestGenesisState ethdb.Database // Genesis state to seed the database with (testing only!)
}
type Ethereum struct {
// FullNodeService implements the Ethereum full node service.
type FullNodeService struct {
chainConfig *core.ChainConfig
// Channel for shutting down the service
shutdownChan chan bool // Channel for shutting down the ethereum
stopDbUpgrade func() // stop chain db sequential key upgrade
// DB interfaces
chainDb ethdb.Database // Block chain database
dappDb ethdb.Database // Dapp database
// Handlers
txPool *core.TxPool
txMu sync.Mutex
blockchain *core.BlockChain
accountManager *accounts.Manager
pow *ethash.Ethash
protocolManager *ProtocolManager
SolcPath string
solc *compiler.Solidity
gpo *GasPriceOracle
GpoMinGasPrice *big.Int
GpoMaxGasPrice *big.Int
GpoFullBlockRatio int
GpobaseStepDown int
GpobaseStepUp int
GpobaseCorrectionFactor int
// DB interfaces
chainDb ethdb.Database // Block chain database
dappDb ethdb.Database // Dapp database
eventMux *event.TypeMux
pow *ethash.Ethash
httpclient *httpclient.HTTPClient
accountManager *accounts.Manager
eventMux *event.TypeMux
miner *miner.Miner
apiBackend *EthApiBackend
miner *miner.Miner
Mining bool
MinerThreads int
NatSpec bool
AutoDAG bool
PowTest bool
autodagquit chan bool
etherbase common.Address
solcPath string
solc *compiler.Solidity
NatSpec bool
PowTest bool
netVersionId int
netRPCService *PublicNetAPI
netRPCService *ethapi.PublicNetAPI
}
func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
// Open the chain database and perform any upgrades needed
chainDb, err := ctx.OpenDatabase("chaindata", config.DatabaseCache, config.DatabaseHandles)
// New creates a new FullNodeService object (including the
// initialisation of the common Ethereum object)
func New(ctx *node.ServiceContext, config *Config) (*FullNodeService, error) {
chainDb, dappDb, err := CreateDBs(ctx, config)
if err != nil {
return nil, err
}
if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
db.Meter("eth/db/chaindata/")
}
if err := upgradeChainDatabase(chainDb); err != nil {
return nil, err
}
if err := addMipmapBloomBins(chainDb); err != nil {
return nil, err
}
stopDbUpgrade := upgradeSequentialKeys(chainDb)
dappDb, err := ctx.OpenDatabase("dapp", config.DatabaseCache, config.DatabaseHandles)
if err != nil {
if err := SetupGenesisBlock(&chainDb, config); err != nil {
return nil, err
}
if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
db.Meter("eth/db/dapp/")
}
glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
// Load up any custom genesis block if requested
if len(config.Genesis) > 0 {
block, err := core.WriteGenesisBlock(chainDb, strings.NewReader(config.Genesis))
pow, err := CreatePoW(config)
if err != nil {
return nil, err
}
glog.V(logger.Info).Infof("Successfully wrote custom genesis block: %x", block.Hash())
}
// Load up a test setup if directly injected
if config.TestGenesisState != nil {
chainDb = config.TestGenesisState
}
if config.TestGenesisBlock != nil {
core.WriteTd(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64(), config.TestGenesisBlock.Difficulty())
core.WriteBlock(chainDb, config.TestGenesisBlock)
core.WriteCanonicalHash(chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64())
core.WriteHeadBlockHash(chainDb, config.TestGenesisBlock.Hash())
}
if !config.SkipBcVersionCheck {
bcVersion := core.GetBlockChainVersion(chainDb)
if bcVersion != config.BlockChainVersion && bcVersion != 0 {
return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, config.BlockChainVersion)
}
core.WriteBlockChainVersion(chainDb, config.BlockChainVersion)
}
glog.V(logger.Info).Infof("Blockchain DB Version: %d", config.BlockChainVersion)
eth := &Ethereum{
shutdownChan: make(chan bool),
stopDbUpgrade: stopDbUpgrade,
eth := &FullNodeService{
chainDb: chainDb,
dappDb: dappDb,
eventMux: ctx.EventMux,
accountManager: config.AccountManager,
etherbase: config.Etherbase,
pow: pow,
shutdownChan: make(chan bool),
stopDbUpgrade: stopDbUpgrade,
httpclient: httpclient.New(config.DocRoot),
netVersionId: config.NetworkId,
NatSpec: config.NatSpec,
PowTest: config.PowTest,
etherbase: config.Etherbase,
MinerThreads: config.MinerThreads,
SolcPath: config.SolcPath,
AutoDAG: config.AutoDAG,
PowTest: config.PowTest,
GpoMinGasPrice: config.GpoMinGasPrice,
GpoMaxGasPrice: config.GpoMaxGasPrice,
GpoFullBlockRatio: config.GpoFullBlockRatio,
GpobaseStepDown: config.GpobaseStepDown,
GpobaseStepUp: config.GpobaseStepUp,
GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
httpclient: httpclient.New(config.DocRoot),
solcPath: config.SolcPath,
}
switch {
case config.PowTest:
glog.V(logger.Info).Infof("ethash used in test mode")
eth.pow, err = ethash.NewForTesting()
if err != nil {
if err := upgradeChainDatabase(chainDb); err != nil {
return nil, err
}
if err := addMipmapBloomBins(chainDb); err != nil {
return nil, err
}
case config.PowShared:
glog.V(logger.Info).Infof("ethash used in shared mode")
eth.pow = ethash.NewShared()
default:
eth.pow = ethash.New()
glog.V(logger.Info).Infof("Protocol Versions: %v, Network Id: %v", ProtocolVersions, config.NetworkId)
if !config.SkipBcVersionCheck {
bcVersion := core.GetBlockChainVersion(chainDb)
if bcVersion != config.BlockChainVersion && bcVersion != 0 {
return nil, fmt.Errorf("Blockchain DB version mismatch (%d / %d). Run geth upgradedb.\n", bcVersion, config.BlockChainVersion)
}
core.WriteBlockChainVersion(chainDb, config.BlockChainVersion)
}
// load the genesis block or write a new one if no genesis
......@@ -263,8 +218,6 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
}
return nil, err
}
eth.gpo = NewGasPriceOracle(eth)
newPool := core.NewTxPool(eth.chainConfig, eth.EventMux(), eth.blockchain.State, eth.blockchain.GasLimit)
eth.txPool = newPool
......@@ -275,37 +228,87 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
eth.miner.SetGasPrice(config.GasPrice)
eth.miner.SetExtra(config.ExtraData)
gpoParams := &gasprice.GpoParams{
GpoMinGasPrice: config.GpoMinGasPrice,
GpoMaxGasPrice: config.GpoMaxGasPrice,
GpoFullBlockRatio: config.GpoFullBlockRatio,
GpobaseStepDown: config.GpobaseStepDown,
GpobaseStepUp: config.GpobaseStepUp,
GpobaseCorrectionFactor: config.GpobaseCorrectionFactor,
}
gpo := gasprice.NewGasPriceOracle(eth.blockchain, chainDb, eth.eventMux, gpoParams)
eth.apiBackend = &EthApiBackend{eth, gpo}
return eth, nil
}
// CreateDBs creates the chain and dapp databases for an Ethereum service
func CreateDBs(ctx *node.ServiceContext, config *Config) (chainDb, dappDb ethdb.Database, err error) {
// Open the chain database and perform any upgrades needed
chainDb, err = ctx.OpenDatabase("chaindata", config.DatabaseCache, config.DatabaseHandles)
if err != nil {
return nil, nil, err
}
if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
db.Meter("eth/db/chaindata/")
}
dappDb, err = ctx.OpenDatabase("dapp", config.DatabaseCache, config.DatabaseHandles)
if err != nil {
return nil, nil, err
}
if db, ok := dappDb.(*ethdb.LDBDatabase); ok {
db.Meter("eth/db/dapp/")
}
return
}
// SetupGenesisBlock initializes the genesis block for an Ethereum service
func SetupGenesisBlock(chainDb *ethdb.Database, config *Config) error {
// Load up any custom genesis block if requested
if len(config.Genesis) > 0 {
block, err := core.WriteGenesisBlock(*chainDb, strings.NewReader(config.Genesis))
if err != nil {
return err
}
glog.V(logger.Info).Infof("Successfully wrote custom genesis block: %x", block.Hash())
}
// Load up a test setup if directly injected
if config.TestGenesisState != nil {
*chainDb = config.TestGenesisState
}
if config.TestGenesisBlock != nil {
core.WriteTd(*chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64(), config.TestGenesisBlock.Difficulty())
core.WriteBlock(*chainDb, config.TestGenesisBlock)
core.WriteCanonicalHash(*chainDb, config.TestGenesisBlock.Hash(), config.TestGenesisBlock.NumberU64())
core.WriteHeadBlockHash(*chainDb, config.TestGenesisBlock.Hash())
}
return nil
}
// CreatePoW creates the required type of PoW instance for an Ethereum service
func CreatePoW(config *Config) (*ethash.Ethash, error) {
switch {
case config.PowTest:
glog.V(logger.Info).Infof("ethash used in test mode")
return ethash.NewForTesting()
case config.PowShared:
glog.V(logger.Info).Infof("ethash used in shared mode")
return ethash.NewShared(), nil
default:
return ethash.New(), nil
}
}
// APIs returns the collection of RPC services the ethereum package offers.
// NOTE, some of these services probably need to be moved to somewhere else.
func (s *Ethereum) APIs() []rpc.API {
return []rpc.API{
func (s *FullNodeService) APIs() []rpc.API {
return append(ethapi.GetAPIs(s.apiBackend, &s.solcPath, &s.solc), []rpc.API{
{
Namespace: "eth",
Version: "1.0",
Service: NewPublicEthereumAPI(s),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicAccountAPI(s.accountManager),
Public: true,
}, {
Namespace: "personal",
Version: "1.0",
Service: NewPrivateAccountAPI(s),
Public: false,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicBlockChainAPI(s.chainConfig, s.blockchain, s.miner, s.chainDb, s.gpo, s.eventMux, s.accountManager),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicTransactionPoolAPI(s),
Service: NewPublicFullEthereumAPI(s),
Public: true,
}, {
Namespace: "eth",
......@@ -322,11 +325,6 @@ func (s *Ethereum) APIs() []rpc.API {
Version: "1.0",
Service: NewPrivateMinerAPI(s),
Public: false,
}, {
Namespace: "txpool",
Version: "1.0",
Service: NewPublicTxPoolAPI(s),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
......@@ -335,16 +333,16 @@ func (s *Ethereum) APIs() []rpc.API {
}, {
Namespace: "admin",
Version: "1.0",
Service: NewPrivateAdminAPI(s),
Service: NewPrivateFullAdminAPI(s),
}, {
Namespace: "debug",
Version: "1.0",
Service: NewPublicDebugAPI(s),
Service: NewPublicFullDebugAPI(s),
Public: true,
}, {
Namespace: "debug",
Version: "1.0",
Service: NewPrivateDebugAPI(s.chainConfig, s),
Service: NewPrivateFullDebugAPI(s.chainConfig, s),
}, {
Namespace: "net",
Version: "1.0",
......@@ -355,14 +353,14 @@ func (s *Ethereum) APIs() []rpc.API {
Version: "1.0",
Service: ethreg.NewPrivateRegistarAPI(s.chainConfig, s.blockchain, s.chainDb, s.txPool, s.accountManager),
},
}
}...)
}
func (s *Ethereum) ResetWithGenesisBlock(gb *types.Block) {
func (s *FullNodeService) ResetWithGenesisBlock(gb *types.Block) {
s.blockchain.ResetWithGenesisBlock(gb)
}
func (s *Ethereum) Etherbase() (eb common.Address, err error) {
func (s *FullNodeService) Etherbase() (eb common.Address, err error) {
eb = s.etherbase
if (eb == common.Address{}) {
firstAccount, err := s.AccountManager().AccountByIndex(0)
......@@ -375,46 +373,47 @@ func (s *Ethereum) Etherbase() (eb common.Address, err error) {
}
// set in js console via admin interface or wrapper from cli flags
func (self *Ethereum) SetEtherbase(etherbase common.Address) {
func (self *FullNodeService) SetEtherbase(etherbase common.Address) {
self.etherbase = etherbase
self.miner.SetEtherbase(etherbase)
}
func (s *Ethereum) StopMining() { s.miner.Stop() }
func (s *Ethereum) IsMining() bool { return s.miner.Mining() }
func (s *Ethereum) Miner() *miner.Miner { return s.miner }
func (s *Ethereum) AccountManager() *accounts.Manager { return s.accountManager }
func (s *Ethereum) BlockChain() *core.BlockChain { return s.blockchain }
func (s *Ethereum) TxPool() *core.TxPool { return s.txPool }
func (s *Ethereum) EventMux() *event.TypeMux { return s.eventMux }
func (s *Ethereum) ChainDb() ethdb.Database { return s.chainDb }
func (s *Ethereum) DappDb() ethdb.Database { return s.dappDb }
func (s *Ethereum) IsListening() bool { return true } // Always listening
func (s *Ethereum) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
func (s *Ethereum) NetVersion() int { return s.netVersionId }
func (s *Ethereum) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
func (s *FullNodeService) StopMining() { s.miner.Stop() }
func (s *FullNodeService) IsMining() bool { return s.miner.Mining() }
func (s *FullNodeService) Miner() *miner.Miner { return s.miner }
func (s *FullNodeService) AccountManager() *accounts.Manager { return s.accountManager }
func (s *FullNodeService) BlockChain() *core.BlockChain { return s.blockchain }
func (s *FullNodeService) TxPool() *core.TxPool { return s.txPool }
func (s *FullNodeService) EventMux() *event.TypeMux { return s.eventMux }
func (s *FullNodeService) Pow() *ethash.Ethash { return s.pow }
func (s *FullNodeService) ChainDb() ethdb.Database { return s.chainDb }
func (s *FullNodeService) DappDb() ethdb.Database { return s.dappDb }
func (s *FullNodeService) IsListening() bool { return true } // Always listening
func (s *FullNodeService) EthVersion() int { return int(s.protocolManager.SubProtocols[0].Version) }
func (s *FullNodeService) NetVersion() int { return s.netVersionId }
func (s *FullNodeService) Downloader() *downloader.Downloader { return s.protocolManager.downloader }
// Protocols implements node.Service, returning all the currently configured
// network protocols to start.
func (s *Ethereum) Protocols() []p2p.Protocol {
func (s *FullNodeService) Protocols() []p2p.Protocol {
return s.protocolManager.SubProtocols
}
// Start implements node.Service, starting all internal goroutines needed by the
// Ethereum protocol implementation.
func (s *Ethereum) Start(srvr *p2p.Server) error {
// FullNodeService protocol implementation.
func (s *FullNodeService) Start(srvr *p2p.Server) error {
s.netRPCService = ethapi.NewPublicNetAPI(srvr, s.NetVersion())
if s.AutoDAG {
s.StartAutoDAG()
}
s.protocolManager.Start()
s.netRPCService = NewPublicNetAPI(srvr, s.NetVersion())
return nil
}
// Stop implements node.Service, terminating all internal goroutines used by the
// Ethereum protocol.
func (s *Ethereum) Stop() error {
func (s *FullNodeService) Stop() error {
if s.stopDbUpgrade != nil {
s.stopDbUpgrade()
}
......@@ -434,7 +433,7 @@ func (s *Ethereum) Stop() error {
}
// This function will wait for a shutdown and resumes main thread execution
func (s *Ethereum) WaitForShutdown() {
func (s *FullNodeService) WaitForShutdown() {
<-s.shutdownChan
}
......@@ -447,7 +446,7 @@ func (s *Ethereum) WaitForShutdown() {
// stop any number of times.
// For any more sophisticated pattern of DAG generation, use CLI subcommand
// makedag
func (self *Ethereum) StartAutoDAG() {
func (self *FullNodeService) StartAutoDAG() {
if self.autodagquit != nil {
return // already started
}
......@@ -493,7 +492,7 @@ func (self *Ethereum) StartAutoDAG() {
}
// stopAutoDAG stops automatic DAG pregeneration by quitting the loop
func (self *Ethereum) StopAutoDAG() {
func (self *FullNodeService) StopAutoDAG() {
if self.autodagquit != nil {
close(self.autodagquit)
self.autodagquit = nil
......@@ -503,25 +502,10 @@ func (self *Ethereum) StopAutoDAG() {
// HTTPClient returns the light http client used for fetching offchain docs
// (natspec, source for verification)
func (self *Ethereum) HTTPClient() *httpclient.HTTPClient {
func (self *FullNodeService) HTTPClient() *httpclient.HTTPClient {
return self.httpclient
}
func (self *Ethereum) Solc() (*compiler.Solidity, error) {
var err error
if self.solc == nil {
self.solc, err = compiler.New(self.SolcPath)
}
return self.solc, err
}
// set in js console via admin interface or wrapper from cli flags
func (self *Ethereum) SetSolc(solcPath string) (*compiler.Solidity, error) {
self.SolcPath = solcPath
self.solc = nil
return self.Solc()
}
// dagFiles(epoch) returns the two alternative DAG filenames (not a path)
// 1) <revision>-<hex(seedhash[8])> 2) full-R<revision>-<hex(seedhash[8])>
func dagFiles(epoch uint64) (string, string) {
......
eth/bind.go
View file @ 1e50f5dd
......@@ -21,8 +21,10 @@ import (
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"golang.org/x/net/context"
)
// ContractBackend implements bind.ContractBackend with direct calls to Ethereum
......@@ -33,38 +35,44 @@ import (
// object. These should be rewritten to internal Go method calls when the Go API
// is refactored to support a clean library use.
type ContractBackend struct {
eapi *PublicEthereumAPI // Wrapper around the Ethereum object to access metadata
bcapi *PublicBlockChainAPI // Wrapper around the blockchain to access chain data
txapi *PublicTransactionPoolAPI // Wrapper around the transaction pool to access transaction data
eapi *ethapi.PublicEthereumAPI // Wrapper around the Ethereum object to access metadata
bcapi *ethapi.PublicBlockChainAPI // Wrapper around the blockchain to access chain data
txapi *ethapi.PublicTransactionPoolAPI // Wrapper around the transaction pool to access transaction data
}
// NewContractBackend creates a new native contract backend using an existing
// Etheruem object.
func NewContractBackend(eth *Ethereum) *ContractBackend {
func NewContractBackend(eth *FullNodeService) *ContractBackend {
return &ContractBackend{
eapi: NewPublicEthereumAPI(eth),
bcapi: NewPublicBlockChainAPI(eth.chainConfig, eth.blockchain, eth.miner, eth.chainDb, eth.gpo, eth.eventMux, eth.accountManager),
txapi: NewPublicTransactionPoolAPI(eth),
eapi: ethapi.NewPublicEthereumAPI(eth.apiBackend, nil, nil),
bcapi: ethapi.NewPublicBlockChainAPI(eth.apiBackend),
txapi: ethapi.NewPublicTransactionPoolAPI(eth.apiBackend),
}
}
// HasCode implements bind.ContractVerifier.HasCode by retrieving any code associated
// with the contract from the local API, and checking its size.
func (b *ContractBackend) HasCode(contract common.Address, pending bool) (bool, error) {
func (b *ContractBackend) HasCode(ctx context.Context, contract common.Address, pending bool) (bool, error) {
if ctx == nil {
ctx = context.Background()
}
block := rpc.LatestBlockNumber
if pending {
block = rpc.PendingBlockNumber
}
out, err := b.bcapi.GetCode(contract, block)
out, err := b.bcapi.GetCode(ctx, contract, block)
return len(common.FromHex(out)) > 0, err
}
// ContractCall implements bind.ContractCaller executing an Ethereum contract
// call with the specified data as the input. The pending flag requests execution
// against the pending block, not the stable head of the chain.
func (b *ContractBackend) ContractCall(contract common.Address, data []byte, pending bool) ([]byte, error) {
func (b *ContractBackend) ContractCall(ctx context.Context, contract common.Address, data []byte, pending bool) ([]byte, error) {
if ctx == nil {
ctx = context.Background()
}
// Convert the input args to the API spec
args := CallArgs{
args := ethapi.CallArgs{
To: &contract,
Data: common.ToHex(data),
}
......@@ -73,21 +81,27 @@ func (b *ContractBackend) ContractCall(contract common.Address, data []byte, pen
block = rpc.PendingBlockNumber
}
// Execute the call and convert the output back to Go types
out, err := b.bcapi.Call(args, block)
out, err := b.bcapi.Call(ctx, args, block)
return common.FromHex(out), err
}
// PendingAccountNonce implements bind.ContractTransactor retrieving the current
// pending nonce associated with an account.
func (b *ContractBackend) PendingAccountNonce(account common.Address) (uint64, error) {
out, err := b.txapi.GetTransactionCount(account, rpc.PendingBlockNumber)
func (b *ContractBackend) PendingAccountNonce(ctx context.Context, account common.Address) (uint64, error) {
if ctx == nil {
ctx = context.Background()
}
out, err := b.txapi.GetTransactionCount(ctx, account, rpc.PendingBlockNumber)
return out.Uint64(), err
}
// SuggestGasPrice implements bind.ContractTransactor retrieving the currently
// suggested gas price to allow a timely execution of a transaction.
func (b *ContractBackend) SuggestGasPrice() (*big.Int, error) {
return b.eapi.GasPrice(), nil
func (b *ContractBackend) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
if ctx == nil {
ctx = context.Background()
}
return b.eapi.GasPrice(ctx)
}
// EstimateGasLimit implements bind.ContractTransactor triing to estimate the gas
......@@ -95,8 +109,11 @@ func (b *ContractBackend) SuggestGasPrice() (*big.Int, error) {
// the backend blockchain. There is no guarantee that this is the true gas limit
// requirement as other transactions may be added or removed by miners, but it
// should provide a basis for setting a reasonable default.
func (b *ContractBackend) EstimateGasLimit(sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
out, err := b.bcapi.EstimateGas(CallArgs{
func (b *ContractBackend) EstimateGasLimit(ctx context.Context, sender common.Address, contract *common.Address, value *big.Int, data []byte) (*big.Int, error) {
if ctx == nil {
ctx = context.Background()
}
out, err := b.bcapi.EstimateGas(ctx, ethapi.CallArgs{
From: sender,
To: contract,
Value: *rpc.NewHexNumber(value),
......@@ -107,8 +124,11 @@ func (b *ContractBackend) EstimateGasLimit(sender common.Address, contract *comm
// SendTransaction implements bind.ContractTransactor injects the transaction
// into the pending pool for execution.
func (b *ContractBackend) SendTransaction(tx *types.Transaction) error {
func (b *ContractBackend) SendTransaction(ctx context.Context, tx *types.Transaction) error {
if ctx == nil {
ctx = context.Background()
}
raw, _ := rlp.EncodeToBytes(tx)
_, err := b.txapi.SendRawTransaction(common.ToHex(raw))
_, err := b.txapi.SendRawTransaction(ctx, common.ToHex(raw))
return err
}
eth/cpu_mining.go
View file @ 1e50f5dd
......@@ -28,7 +28,7 @@ import (
const disabledInfo = "Set GO_OPENCL and re-build to enable."
func (s *Ethereum) StartMining(threads int, gpus string) error {
func (s *FullNodeService) StartMining(threads int, gpus string) error {
eb, err := s.Etherbase()
if err != nil {
err = fmt.Errorf("Cannot start mining without etherbase address: %v", err)
......
eth/gasprice.go → eth/gasprice/gasprice.go
View file @ 1e50f5dd
......@@ -14,7 +14,7 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package eth
package gasprice
import (
"math/big"
......@@ -23,6 +23,8 @@ import (
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
)
......@@ -39,10 +41,22 @@ type blockPriceInfo struct {
baseGasPrice *big.Int
}
type GpoParams struct {
GpoMinGasPrice *big.Int
GpoMaxGasPrice *big.Int
GpoFullBlockRatio int
GpobaseStepDown int
GpobaseStepUp int
GpobaseCorrectionFactor int
}
// GasPriceOracle recommends gas prices based on the content of recent
// blocks.
type GasPriceOracle struct {
eth *Ethereum
chain *core.BlockChain
db ethdb.Database
evmux *event.TypeMux
params *GpoParams
initOnce sync.Once
minPrice *big.Int
lastBaseMutex sync.Mutex
......@@ -55,17 +69,20 @@ type GasPriceOracle struct {
}
// NewGasPriceOracle returns a new oracle.
func NewGasPriceOracle(eth *Ethereum) *GasPriceOracle {
minprice := eth.GpoMinGasPrice
func NewGasPriceOracle(chain *core.BlockChain, db ethdb.Database, evmux *event.TypeMux, params *GpoParams) *GasPriceOracle {
minprice := params.GpoMinGasPrice
if minprice == nil {
minprice = big.NewInt(gpoDefaultMinGasPrice)
}
minbase := new(big.Int).Mul(minprice, big.NewInt(100))
if eth.GpobaseCorrectionFactor > 0 {
minbase = minbase.Div(minbase, big.NewInt(int64(eth.GpobaseCorrectionFactor)))
if params.GpobaseCorrectionFactor > 0 {
minbase = minbase.Div(minbase, big.NewInt(int64(params.GpobaseCorrectionFactor)))
}
return &GasPriceOracle{
eth: eth,
chain: chain,
db: db,
evmux: evmux,
params: params,
blocks: make(map[uint64]*blockPriceInfo),
minBase: minbase,
minPrice: minprice,
......@@ -75,14 +92,14 @@ func NewGasPriceOracle(eth *Ethereum) *GasPriceOracle {
func (gpo *GasPriceOracle) init() {
gpo.initOnce.Do(func() {
gpo.processPastBlocks(gpo.eth.BlockChain())
gpo.processPastBlocks()
go gpo.listenLoop()
})
}
func (self *GasPriceOracle) processPastBlocks(chain *core.BlockChain) {
func (self *GasPriceOracle) processPastBlocks() {
last := int64(-1)
cblock := chain.CurrentBlock()
cblock := self.chain.CurrentBlock()
if cblock != nil {
last = int64(cblock.NumberU64())
}
......@@ -92,7 +109,7 @@ func (self *GasPriceOracle) processPastBlocks(chain *core.BlockChain) {
}
self.firstProcessed = uint64(first)
for i := first; i <= last; i++ {
block := chain.GetBlockByNumber(uint64(i))
block := self.chain.GetBlockByNumber(uint64(i))
if block != nil {
self.processBlock(block)
}
......@@ -101,7 +118,7 @@ func (self *GasPriceOracle) processPastBlocks(chain *core.BlockChain) {
}
func (self *GasPriceOracle) listenLoop() {
events := self.eth.EventMux().Subscribe(core.ChainEvent{}, core.ChainSplitEvent{})
events := self.evmux.Subscribe(core.ChainEvent{}, core.ChainSplitEvent{})
defer events.Unsubscribe()
for event := range events.Chan() {
......@@ -136,9 +153,9 @@ func (self *GasPriceOracle) processBlock(block *types.Block) {
}
if lastBase.Cmp(lp) < 0 {
corr = self.eth.GpobaseStepUp
corr = self.params.GpobaseStepUp
} else {
corr = -self.eth.GpobaseStepDown
corr = -self.params.GpobaseStepDown
}
crand := int64(corr * (900 + rand.Intn(201)))
......@@ -159,14 +176,14 @@ func (self *GasPriceOracle) processBlock(block *types.Block) {
self.lastBase = newBase
self.lastBaseMutex.Unlock()
glog.V(logger.Detail).Infof("Processed block #%v, base price is %v\n", block.NumberU64(), newBase.Int64())
glog.V(logger.Detail).Infof("Processed block #%v, base price is %v\n", i, newBase.Int64())
}
// returns the lowers possible price with which a tx was or could have been included
func (self *GasPriceOracle) lowestPrice(block *types.Block) *big.Int {
gasUsed := big.NewInt(0)
receipts := core.GetBlockReceipts(self.eth.ChainDb(), block.Hash(), block.NumberU64())
receipts := core.GetBlockReceipts(self.db, block.Hash(), block.NumberU64())
if len(receipts) > 0 {
if cgu := receipts[len(receipts)-1].CumulativeGasUsed; cgu != nil {
gasUsed = receipts[len(receipts)-1].CumulativeGasUsed
......@@ -174,7 +191,7 @@ func (self *GasPriceOracle) lowestPrice(block *types.Block) *big.Int {
}
if new(big.Int).Mul(gasUsed, big.NewInt(100)).Cmp(new(big.Int).Mul(block.GasLimit(),
big.NewInt(int64(self.eth.GpoFullBlockRatio)))) < 0 {
big.NewInt(int64(self.params.GpoFullBlockRatio)))) < 0 {
// block is not full, could have posted a tx with MinGasPrice
return big.NewInt(0)
}
......@@ -201,12 +218,12 @@ func (self *GasPriceOracle) SuggestPrice() *big.Int {
price := new(big.Int).Set(self.lastBase)
self.lastBaseMutex.Unlock()
price.Mul(price, big.NewInt(int64(self.eth.GpobaseCorrectionFactor)))
price.Mul(price, big.NewInt(int64(self.params.GpobaseCorrectionFactor)))
price.Div(price, big.NewInt(100))
if price.Cmp(self.minPrice) < 0 {
price.Set(self.minPrice)
} else if self.eth.GpoMaxGasPrice != nil && price.Cmp(self.eth.GpoMaxGasPrice) > 0 {
price.Set(self.eth.GpoMaxGasPrice)
} else if self.params.GpoMaxGasPrice != nil && price.Cmp(self.params.GpoMaxGasPrice) > 0 {
price.Set(self.params.GpoMaxGasPrice)
}
return price
}
eth/gpu_mining.go
View file @ 1e50f5dd
......@@ -33,7 +33,7 @@ import (
"github.com/ethereum/go-ethereum/miner"
)
func (s *Ethereum) StartMining(threads int, gpus string) error {
func (s *FullNodeService) StartMining(threads int, gpus string) error {
eb, err := s.Etherbase()
if err != nil {
err = fmt.Errorf("Cannot start mining without etherbase address: %v", err)
......
internal/ethapi/api.go 0 → 100644
View file @ 1e50f5dd
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethapi
import (
"bytes"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"math/big"
"strings"
"sync"
"time"
"github.com/ethereum/ethash"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/syndtr/goleveldb/leveldb"
"golang.org/x/net/context"
)
const defaultGas = uint64(90000)
// PublicEthereumAPI provides an API to access Ethereum related information.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicEthereumAPI struct {
b Backend
solcPath *string
solc **compiler.Solidity
}
// NewPublicEthereumAPI creates a new Etheruem protocol API.
func NewPublicEthereumAPI(b Backend, solcPath *string, solc **compiler.Solidity) *PublicEthereumAPI {
return &PublicEthereumAPI{b, solcPath, solc}
}
// GasPrice returns a suggestion for a gas price.
func (s *PublicEthereumAPI) GasPrice(ctx context.Context) (*big.Int, error) {
return s.b.SuggestPrice(ctx)
}
func (s *PublicEthereumAPI) getSolc() (*compiler.Solidity, error) {
var err error
solc := *s.solc
if solc == nil {
solc, err = compiler.New(*s.solcPath)
}
return solc, err
}
// GetCompilers returns the collection of available smart contract compilers
func (s *PublicEthereumAPI) GetCompilers() ([]string, error) {
solc, err := s.getSolc()
if err == nil && solc != nil {
return []string{"Solidity"}, nil
}
return []string{}, nil
}
// CompileSolidity compiles the given solidity source
func (s *PublicEthereumAPI) CompileSolidity(source string) (map[string]*compiler.Contract, error) {
solc, err := s.getSolc()
if err != nil {
return nil, err
}
if solc == nil {
return nil, errors.New("solc (solidity compiler) not found")
}
return solc.Compile(source)
}
// ProtocolVersion returns the current Ethereum protocol version this node supports
func (s *PublicEthereumAPI) ProtocolVersion() *rpc.HexNumber {
return rpc.NewHexNumber(s.b.ProtocolVersion())
}
// Syncing returns false in case the node is currently not syncing with the network. It can be up to date or has not
// yet received the latest block headers from its pears. In case it is synchronizing:
// - startingBlock: block number this node started to synchronise from
// - currentBlock: block number this node is currently importing
// - highestBlock: block number of the highest block header this node has received from peers
// - pulledStates: number of state entries processed until now
// - knownStates: number of known state entries that still need to be pulled
func (s *PublicEthereumAPI) Syncing() (interface{}, error) {
origin, current, height, pulled, known := s.b.Downloader().Progress()
// Return not syncing if the synchronisation already completed
if current >= height {
return false, nil
}
// Otherwise gather the block sync stats
return map[string]interface{}{
"startingBlock": rpc.NewHexNumber(origin),
"currentBlock": rpc.NewHexNumber(current),
"highestBlock": rpc.NewHexNumber(height),
"pulledStates": rpc.NewHexNumber(pulled),
"knownStates": rpc.NewHexNumber(known),
}, nil
}
// PublicTxPoolAPI offers and API for the transaction pool. It only operates on data that is non confidential.
type PublicTxPoolAPI struct {
b Backend
}
// NewPublicTxPoolAPI creates a new tx pool service that gives information about the transaction pool.
func NewPublicTxPoolAPI(b Backend) *PublicTxPoolAPI {
return &PublicTxPoolAPI{b}
}
// Content returns the transactions contained within the transaction pool.
func (s *PublicTxPoolAPI) Content() map[string]map[string]map[string][]*RPCTransaction {
content := map[string]map[string]map[string][]*RPCTransaction{
"pending": make(map[string]map[string][]*RPCTransaction),
"queued": make(map[string]map[string][]*RPCTransaction),
}
pending, queue := s.b.TxPoolContent()
// Flatten the pending transactions
for account, batches := range pending {
dump := make(map[string][]*RPCTransaction)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
}
}
content["pending"][account.Hex()] = dump
}
// Flatten the queued transactions
for account, batches := range queue {
dump := make(map[string][]*RPCTransaction)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], newRPCPendingTransaction(tx))
}
}
content["queued"][account.Hex()] = dump
}
return content
}
// Status returns the number of pending and queued transaction in the pool.
func (s *PublicTxPoolAPI) Status() map[string]*rpc.HexNumber {
pending, queue := s.b.Stats()
return map[string]*rpc.HexNumber{
"pending": rpc.NewHexNumber(pending),
"queued": rpc.NewHexNumber(queue),
}
}
// Inspect retrieves the content of the transaction pool and flattens it into an
// easily inspectable list.
func (s *PublicTxPoolAPI) Inspect() map[string]map[string]map[string][]string {
content := map[string]map[string]map[string][]string{
"pending": make(map[string]map[string][]string),
"queued": make(map[string]map[string][]string),
}
pending, queue := s.b.TxPoolContent()
// Define a formatter to flatten a transaction into a string
var format = func(tx *types.Transaction) string {
if to := tx.To(); to != nil {
return fmt.Sprintf("%s: %v wei + %v × %v gas", tx.To().Hex(), tx.Value(), tx.Gas(), tx.GasPrice())
}
return fmt.Sprintf("contract creation: %v wei + %v × %v gas", tx.Value(), tx.Gas(), tx.GasPrice())
}
// Flatten the pending transactions
for account, batches := range pending {
dump := make(map[string][]string)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], format(tx))
}
}
content["pending"][account.Hex()] = dump
}
// Flatten the queued transactions
for account, batches := range queue {
dump := make(map[string][]string)
for nonce, txs := range batches {
nonce := fmt.Sprintf("%d", nonce)
for _, tx := range txs {
dump[nonce] = append(dump[nonce], format(tx))
}
}
content["queued"][account.Hex()] = dump
}
return content
}
// PublicAccountAPI provides an API to access accounts managed by this node.
// It offers only methods that can retrieve accounts.
type PublicAccountAPI struct {
am *accounts.Manager
}
// NewPublicAccountAPI creates a new PublicAccountAPI.
func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
return &PublicAccountAPI{am: am}
}
// Accounts returns the collection of accounts this node manages
func (s *PublicAccountAPI) Accounts() []accounts.Account {
return s.am.Accounts()
}
// PrivateAccountAPI provides an API to access accounts managed by this node.
// It offers methods to create, (un)lock en list accounts. Some methods accept
// passwords and are therefore considered private by default.
type PrivateAccountAPI struct {
am *accounts.Manager
b Backend
}
// NewPrivateAccountAPI create a new PrivateAccountAPI.
func NewPrivateAccountAPI(b Backend) *PrivateAccountAPI {
return &PrivateAccountAPI{
am: b.AccountManager(),
b: b,
}
}
// ListAccounts will return a list of addresses for accounts this node manages.
func (s *PrivateAccountAPI) ListAccounts() []common.Address {
accounts := s.am.Accounts()
addresses := make([]common.Address, len(accounts))
for i, acc := range accounts {
addresses[i] = acc.Address
}
return addresses
}
// NewAccount will create a new account and returns the address for the new account.
func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
acc, err := s.am.NewAccount(password)
if err == nil {
return acc.Address, nil
}
return common.Address{}, err
}
// ImportRawKey stores the given hex encoded ECDSA key into the key directory,
// encrypting it with the passphrase.
func (s *PrivateAccountAPI) ImportRawKey(privkey string, password string) (common.Address, error) {
hexkey, err := hex.DecodeString(privkey)
if err != nil {
return common.Address{}, err
}
acc, err := s.am.ImportECDSA(crypto.ToECDSA(hexkey), password)
return acc.Address, err
}
// UnlockAccount will unlock the account associated with the given address with
// the given password for duration seconds. If duration is nil it will use a
// default of 300 seconds. It returns an indication if the account was unlocked.
func (s *PrivateAccountAPI) UnlockAccount(addr common.Address, password string, duration *rpc.HexNumber) (bool, error) {
if duration == nil {
duration = rpc.NewHexNumber(300)
}
a := accounts.Account{Address: addr}
d := time.Duration(duration.Int64()) * time.Second
if err := s.am.TimedUnlock(a, password, d); err != nil {
return false, err
}
return true, nil
}
// LockAccount will lock the account associated with the given address when it's unlocked.
func (s *PrivateAccountAPI) LockAccount(addr common.Address) bool {
return s.am.Lock(addr) == nil
}
// SignAndSendTransaction will create a transaction from the given arguments and
// tries to sign it with the key associated with args.To. If the given passwd isn't
// able to decrypt the key it fails.
func (s *PrivateAccountAPI) SignAndSendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
var err error
args, err = prepareSendTxArgs(ctx, args, s.b)
if err != nil {
return common.Hash{}, err
}
if args.Nonce == nil {
nonce, err := s.b.GetPoolNonce(ctx, args.From)
if err != nil {
return common.Hash{}, err
}
args.Nonce = rpc.NewHexNumber(nonce)
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signature, err := s.am.SignWithPassphrase(args.From, passwd, tx.SigHash().Bytes())
if err != nil {
return common.Hash{}, err
}
return submitTransaction(ctx, s.b, tx, signature)
}
// PublicBlockChainAPI provides an API to access the Ethereum blockchain.
// It offers only methods that operate on public data that is freely available to anyone.
type PublicBlockChainAPI struct {
b Backend
muNewBlockSubscriptions sync.Mutex // protects newBlocksSubscriptions
newBlockSubscriptions map[string]func(core.ChainEvent) error // callbacks for new block subscriptions
}
// NewPublicBlockChainAPI creates a new Etheruem blockchain API.
func NewPublicBlockChainAPI(b Backend) *PublicBlockChainAPI {
api := &PublicBlockChainAPI{
b: b,
newBlockSubscriptions: make(map[string]func(core.ChainEvent) error),
}
go api.subscriptionLoop()
return api
}
// subscriptionLoop reads events from the global event mux and creates notifications for the matched subscriptions.
func (s *PublicBlockChainAPI) subscriptionLoop() {
sub := s.b.EventMux().Subscribe(core.ChainEvent{})
for event := range sub.Chan() {
if chainEvent, ok := event.Data.(core.ChainEvent); ok {
s.muNewBlockSubscriptions.Lock()
for id, notifyOf := range s.newBlockSubscriptions {
if notifyOf(chainEvent) == rpc.ErrNotificationNotFound {
delete(s.newBlockSubscriptions, id)
}
}
s.muNewBlockSubscriptions.Unlock()
}
}
}
// BlockNumber returns the block number of the chain head.
func (s *PublicBlockChainAPI) BlockNumber() *big.Int {
return s.b.HeaderByNumber(rpc.LatestBlockNumber).Number
}
// GetBalance returns the amount of wei for the given address in the state of the
// given block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta
// block numbers are also allowed.
func (s *PublicBlockChainAPI) GetBalance(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*big.Int, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return nil, err
}
return state.GetBalance(ctx, address)
}
// GetBlockByNumber returns the requested block. When blockNr is -1 the chain head is returned. When fullTx is true all
// transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetBlockByNumber(ctx context.Context, blockNr rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
block, err := s.b.BlockByNumber(ctx, blockNr)
if block != nil {
response, err := s.rpcOutputBlock(block, true, fullTx)
if err == nil && blockNr == rpc.PendingBlockNumber {
// Pending blocks need to nil out a few fields
for _, field := range []string{"hash", "nonce", "logsBloom", "miner"} {
response[field] = nil
}
}
return response, err
}
return nil, err
}
// GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
// detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetBlockByHash(ctx context.Context, blockHash common.Hash, fullTx bool) (map[string]interface{}, error) {
block, err := s.b.GetBlock(ctx, blockHash)
if block != nil {
return s.rpcOutputBlock(block, true, fullTx)
}
return nil, err
}
// GetUncleByBlockNumberAndIndex returns the uncle block for the given block hash and index. When fullTx is true
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetUncleByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index rpc.HexNumber) (map[string]interface{}, error) {
block, err := s.b.BlockByNumber(ctx, blockNr)
if block != nil {
uncles := block.Uncles()
if index.Int() < 0 || index.Int() >= len(uncles) {
glog.V(logger.Debug).Infof("uncle block on index %d not found for block #%d", index.Int(), blockNr)
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index.Int()])
return s.rpcOutputBlock(block, false, false)
}
return nil, err
}
// GetUncleByBlockHashAndIndex returns the uncle block for the given block hash and index. When fullTx is true
// all transactions in the block are returned in full detail, otherwise only the transaction hash is returned.
func (s *PublicBlockChainAPI) GetUncleByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index rpc.HexNumber) (map[string]interface{}, error) {
block, err := s.b.GetBlock(ctx, blockHash)
if block != nil {
uncles := block.Uncles()
if index.Int() < 0 || index.Int() >= len(uncles) {
glog.V(logger.Debug).Infof("uncle block on index %d not found for block %s", index.Int(), blockHash.Hex())
return nil, nil
}
block = types.NewBlockWithHeader(uncles[index.Int()])
return s.rpcOutputBlock(block, false, false)
}
return nil, err
}
// GetUncleCountByBlockNumber returns number of uncles in the block for the given block number
func (s *PublicBlockChainAPI) GetUncleCountByBlockNumber(ctx context.Context, blockNr rpc.BlockNumber) *rpc.HexNumber {
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
return rpc.NewHexNumber(len(block.Uncles()))
}
return nil
}
// GetUncleCountByBlockHash returns number of uncles in the block for the given block hash
func (s *PublicBlockChainAPI) GetUncleCountByBlockHash(ctx context.Context, blockHash common.Hash) *rpc.HexNumber {
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
return rpc.NewHexNumber(len(block.Uncles()))
}
return nil
}
// NewBlocksArgs allows the user to specify if the returned block should include transactions and in which format.
type NewBlocksArgs struct {
IncludeTransactions bool `json:"includeTransactions"`
TransactionDetails bool `json:"transactionDetails"`
}
// NewBlocks triggers a new block event each time a block is appended to the chain. It accepts an argument which allows
// the caller to specify whether the output should contain transactions and in what format.
func (s *PublicBlockChainAPI) NewBlocks(ctx context.Context, args NewBlocksArgs) (rpc.Subscription, error) {
notifier, supported := rpc.NotifierFromContext(ctx)
if !supported {
return nil, rpc.ErrNotificationsUnsupported
}
// create a subscription that will remove itself when unsubscribed/cancelled
subscription, err := notifier.NewSubscription(func(subId string) {
s.muNewBlockSubscriptions.Lock()
delete(s.newBlockSubscriptions, subId)
s.muNewBlockSubscriptions.Unlock()
})
if err != nil {
return nil, err
}
// add a callback that is called on chain events which will format the block and notify the client
s.muNewBlockSubscriptions.Lock()
s.newBlockSubscriptions[subscription.ID()] = func(e core.ChainEvent) error {
notification, err := s.rpcOutputBlock(e.Block, args.IncludeTransactions, args.TransactionDetails)
if err == nil {
return subscription.Notify(notification)
}
glog.V(logger.Warn).Info("unable to format block %v\n", err)
return nil
}
s.muNewBlockSubscriptions.Unlock()
return subscription, nil
}
// GetCode returns the code stored at the given address in the state for the given block number.
func (s *PublicBlockChainAPI) GetCode(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (string, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return "", err
}
res, err := state.GetCode(ctx, address)
if len(res) == 0 || err != nil { // backwards compatibility
return "0x", err
}
return common.ToHex(res), nil
}
// GetStorageAt returns the storage from the state at the given address, key and
// block number. The rpc.LatestBlockNumber and rpc.PendingBlockNumber meta block
// numbers are also allowed.
func (s *PublicBlockChainAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNr rpc.BlockNumber) (string, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return "0x", err
}
res, err := state.GetState(ctx, address, common.HexToHash(key))
if err != nil {
return "0x", err
}
return res.Hex(), nil
}
// callmsg is the message type used for call transations.
type callmsg struct {
addr common.Address
nonce uint64
to *common.Address
gas, gasPrice *big.Int
value *big.Int
data []byte
}
// accessor boilerplate to implement core.Message
func (m callmsg) From() (common.Address, error) { return m.addr, nil }
func (m callmsg) FromFrontier() (common.Address, error) { return m.addr, nil }
func (m callmsg) Nonce() uint64 { return m.nonce }
func (m callmsg) To() *common.Address { return m.to }
func (m callmsg) GasPrice() *big.Int { return m.gasPrice }
func (m callmsg) Gas() *big.Int { return m.gas }
func (m callmsg) Value() *big.Int { return m.value }
func (m callmsg) Data() []byte { return m.data }
// CallArgs represents the arguments for a call.
type CallArgs struct {
From common.Address `json:"from"`
To *common.Address `json:"to"`
Gas rpc.HexNumber `json:"gas"`
GasPrice rpc.HexNumber `json:"gasPrice"`
Value rpc.HexNumber `json:"value"`
Data string `json:"data"`
}
func (s *PublicBlockChainAPI) doCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (string, *big.Int, error) {
state, header, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return "0x", common.Big0, err
}
// Set the account address to interact with
var addr common.Address
if args.From == (common.Address{}) {
accounts := s.b.AccountManager().Accounts()
if len(accounts) == 0 {
addr = common.Address{}
} else {
addr = accounts[0].Address
}
} else {
addr = args.From
}
// Assemble the CALL invocation
msg := callmsg{
addr: addr,
to: args.To,
gas: args.Gas.BigInt(),
gasPrice: args.GasPrice.BigInt(),
value: args.Value.BigInt(),
data: common.FromHex(args.Data),
}
if msg.gas.Cmp(common.Big0) == 0 {
msg.gas = big.NewInt(50000000)
}
if msg.gasPrice.Cmp(common.Big0) == 0 {
msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
}
// Execute the call and return
vmenv, vmError, err := s.b.GetVMEnv(ctx, msg, state, header)
if err != nil {
return "0x", common.Big0, err
}
gp := new(core.GasPool).AddGas(common.MaxBig)
res, gas, err := core.ApplyMessage(vmenv, msg, gp)
if err := vmError(); err != nil {
return "0x", common.Big0, err
}
if len(res) == 0 { // backwards compatability
return "0x", gas, err
}
return common.ToHex(res), gas, err
}
// Call executes the given transaction on the state for the given block number.
// It doesn't make and changes in the state/blockchain and is usefull to execute and retrieve values.
func (s *PublicBlockChainAPI) Call(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (string, error) {
result, _, err := s.doCall(ctx, args, blockNr)
return result, err
}
// EstimateGas returns an estimate of the amount of gas needed to execute the given transaction.
func (s *PublicBlockChainAPI) EstimateGas(ctx context.Context, args CallArgs) (*rpc.HexNumber, error) {
_, gas, err := s.doCall(ctx, args, rpc.PendingBlockNumber)
return rpc.NewHexNumber(gas), err
}
// ExecutionResult groups all structured logs emitted by the EVM
// while replaying a transaction in debug mode as well as the amount of
// gas used and the return value
type ExecutionResult struct {
Gas *big.Int `json:"gas"`
ReturnValue string `json:"returnValue"`
StructLogs []StructLogRes `json:"structLogs"`
}
// StructLogRes stores a structured log emitted by the EVM while replaying a
// transaction in debug mode
type StructLogRes struct {
Pc uint64 `json:"pc"`
Op string `json:"op"`
Gas *big.Int `json:"gas"`
GasCost *big.Int `json:"gasCost"`
Depth int `json:"depth"`
Error error `json:"error"`
Stack []string `json:"stack"`
Memory []string `json:"memory"`
Storage map[string]string `json:"storage"`
}
// formatLogs formats EVM returned structured logs for json output
func FormatLogs(structLogs []vm.StructLog) []StructLogRes {
formattedStructLogs := make([]StructLogRes, len(structLogs))
for index, trace := range structLogs {
formattedStructLogs[index] = StructLogRes{
Pc: trace.Pc,
Op: trace.Op.String(),
Gas: trace.Gas,
GasCost: trace.GasCost,
Depth: trace.Depth,
Error: trace.Err,
Stack: make([]string, len(trace.Stack)),
Storage: make(map[string]string),
}
for i, stackValue := range trace.Stack {
formattedStructLogs[index].Stack[i] = fmt.Sprintf("%x", common.LeftPadBytes(stackValue.Bytes(), 32))
}
for i := 0; i+32 <= len(trace.Memory); i += 32 {
formattedStructLogs[index].Memory = append(formattedStructLogs[index].Memory, fmt.Sprintf("%x", trace.Memory[i:i+32]))
}
for i, storageValue := range trace.Storage {
formattedStructLogs[index].Storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue)
}
}
return formattedStructLogs
}
// TraceCall executes a call and returns the amount of gas, created logs and optionally returned values.
func (s *PublicBlockChainAPI) TraceCall(ctx context.Context, args CallArgs, blockNr rpc.BlockNumber) (*ExecutionResult, error) {
state, header, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return nil, err
}
var addr common.Address
if args.From == (common.Address{}) {
accounts := s.b.AccountManager().Accounts()
if len(accounts) == 0 {
addr = common.Address{}
} else {
addr = accounts[0].Address
}
} else {
addr = args.From
}
// Assemble the CALL invocation
msg := callmsg{
addr: addr,
to: args.To,
gas: args.Gas.BigInt(),
gasPrice: args.GasPrice.BigInt(),
value: args.Value.BigInt(),
data: common.FromHex(args.Data),
}
if msg.gas.Cmp(common.Big0) == 0 {
msg.gas = big.NewInt(50000000)
}
if msg.gasPrice.Cmp(common.Big0) == 0 {
msg.gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon)
}
// Execute the call and return
vmenv, vmError, err := s.b.GetVMEnv(ctx, msg, state, header)
if err != nil {
return nil, err
}
gp := new(core.GasPool).AddGas(common.MaxBig)
ret, gas, err := core.ApplyMessage(vmenv, msg, gp)
if err := vmError(); err != nil {
return nil, err
}
return &ExecutionResult{
Gas: gas,
ReturnValue: fmt.Sprintf("%x", ret),
StructLogs: FormatLogs(vmenv.StructLogs()),
}, nil
}
// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
// transaction hashes.
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields := map[string]interface{}{
"number": rpc.NewHexNumber(b.Number()),
"hash": b.Hash(),
"parentHash": b.ParentHash(),
"nonce": b.Header().Nonce,
"sha3Uncles": b.UncleHash(),
"logsBloom": b.Bloom(),
"stateRoot": b.Root(),
"miner": b.Coinbase(),
"difficulty": rpc.NewHexNumber(b.Difficulty()),
"totalDifficulty": rpc.NewHexNumber(s.b.GetTd(b.Hash())),
"extraData": fmt.Sprintf("0x%x", b.Extra()),
"size": rpc.NewHexNumber(b.Size().Int64()),
"gasLimit": rpc.NewHexNumber(b.GasLimit()),
"gasUsed": rpc.NewHexNumber(b.GasUsed()),
"timestamp": rpc.NewHexNumber(b.Time()),
"transactionsRoot": b.TxHash(),
"receiptRoot": b.ReceiptHash(),
}
if inclTx {
formatTx := func(tx *types.Transaction) (interface{}, error) {
return tx.Hash(), nil
}
if fullTx {
formatTx = func(tx *types.Transaction) (interface{}, error) {
return newRPCTransaction(b, tx.Hash())
}
}
txs := b.Transactions()
transactions := make([]interface{}, len(txs))
var err error
for i, tx := range b.Transactions() {
if transactions[i], err = formatTx(tx); err != nil {
return nil, err
}
}
fields["transactions"] = transactions
}
uncles := b.Uncles()
uncleHashes := make([]common.Hash, len(uncles))
for i, uncle := range uncles {
uncleHashes[i] = uncle.Hash()
}
fields["uncles"] = uncleHashes
return fields, nil
}
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash common.Hash `json:"blockHash"`
BlockNumber *rpc.HexNumber `json:"blockNumber"`
From common.Address `json:"from"`
Gas *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
Input string `json:"input"`
Nonce *rpc.HexNumber `json:"nonce"`
To *common.Address `json:"to"`
TransactionIndex *rpc.HexNumber `json:"transactionIndex"`
Value *rpc.HexNumber `json:"value"`
}
// newRPCPendingTransaction returns a pending transaction that will serialize to the RPC representation
func newRPCPendingTransaction(tx *types.Transaction) *RPCTransaction {
from, _ := tx.FromFrontier()
return &RPCTransaction{
From: from,
Gas: rpc.NewHexNumber(tx.Gas()),
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
Hash: tx.Hash(),
Input: fmt.Sprintf("0x%x", tx.Data()),
Nonce: rpc.NewHexNumber(tx.Nonce()),
To: tx.To(),
Value: rpc.NewHexNumber(tx.Value()),
}
}
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
func newRPCTransactionFromBlockIndex(b *types.Block, txIndex int) (*RPCTransaction, error) {
if txIndex >= 0 && txIndex < len(b.Transactions()) {
tx := b.Transactions()[txIndex]
from, err := tx.FromFrontier()
if err != nil {
return nil, err
}
return &RPCTransaction{
BlockHash: b.Hash(),
BlockNumber: rpc.NewHexNumber(b.Number()),
From: from,
Gas: rpc.NewHexNumber(tx.Gas()),
GasPrice: rpc.NewHexNumber(tx.GasPrice()),
Hash: tx.Hash(),
Input: fmt.Sprintf("0x%x", tx.Data()),
Nonce: rpc.NewHexNumber(tx.Nonce()),
To: tx.To(),
TransactionIndex: rpc.NewHexNumber(txIndex),
Value: rpc.NewHexNumber(tx.Value()),
}, nil
}
return nil, nil
}
// newRPCTransaction returns a transaction that will serialize to the RPC representation.
func newRPCTransaction(b *types.Block, txHash common.Hash) (*RPCTransaction, error) {
for idx, tx := range b.Transactions() {
if tx.Hash() == txHash {
return newRPCTransactionFromBlockIndex(b, idx)
}
}
return nil, nil
}
// PublicTransactionPoolAPI exposes methods for the RPC interface
type PublicTransactionPoolAPI struct {
b Backend
muPendingTxSubs sync.Mutex
pendingTxSubs map[string]rpc.Subscription
}
// NewPublicTransactionPoolAPI creates a new RPC service with methods specific for the transaction pool.
func NewPublicTransactionPoolAPI(b Backend) *PublicTransactionPoolAPI {
api := &PublicTransactionPoolAPI{
b: b,
pendingTxSubs: make(map[string]rpc.Subscription),
}
go api.subscriptionLoop()
return api
}
// subscriptionLoop listens for events on the global event mux and creates notifications for subscriptions.
func (s *PublicTransactionPoolAPI) subscriptionLoop() {
sub := s.b.EventMux().Subscribe(core.TxPreEvent{})
for event := range sub.Chan() {
tx := event.Data.(core.TxPreEvent)
if from, err := tx.Tx.FromFrontier(); err == nil {
if s.b.AccountManager().HasAddress(from) {
s.muPendingTxSubs.Lock()
for id, sub := range s.pendingTxSubs {
if sub.Notify(tx.Tx.Hash()) == rpc.ErrNotificationNotFound {
delete(s.pendingTxSubs, id)
}
}
s.muPendingTxSubs.Unlock()
}
}
}
}
func getTransaction(chainDb ethdb.Database, b Backend, txHash common.Hash) (*types.Transaction, bool, error) {
txData, err := chainDb.Get(txHash.Bytes())
isPending := false
tx := new(types.Transaction)
if err == nil && len(txData) > 0 {
if err := rlp.DecodeBytes(txData, tx); err != nil {
return nil, isPending, err
}
} else {
// pending transaction?
tx = b.GetPoolTransaction(txHash)
isPending = true
}
return tx, isPending, nil
}
// GetBlockTransactionCountByNumber returns the number of transactions in the block with the given block number.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByNumber(ctx context.Context, blockNr rpc.BlockNumber) *rpc.HexNumber {
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
return rpc.NewHexNumber(len(block.Transactions()))
}
return nil
}
// GetBlockTransactionCountByHash returns the number of transactions in the block with the given hash.
func (s *PublicTransactionPoolAPI) GetBlockTransactionCountByHash(ctx context.Context, blockHash common.Hash) *rpc.HexNumber {
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
return rpc.NewHexNumber(len(block.Transactions()))
}
return nil
}
// GetTransactionByBlockNumberAndIndex returns the transaction for the given block number and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockNumberAndIndex(ctx context.Context, blockNr rpc.BlockNumber, index rpc.HexNumber) (*RPCTransaction, error) {
if block, _ := s.b.BlockByNumber(ctx, blockNr); block != nil {
return newRPCTransactionFromBlockIndex(block, index.Int())
}
return nil, nil
}
// GetTransactionByBlockHashAndIndex returns the transaction for the given block hash and index.
func (s *PublicTransactionPoolAPI) GetTransactionByBlockHashAndIndex(ctx context.Context, blockHash common.Hash, index rpc.HexNumber) (*RPCTransaction, error) {
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
return newRPCTransactionFromBlockIndex(block, index.Int())
}
return nil, nil
}
// GetTransactionCount returns the number of transactions the given address has sent for the given block number
func (s *PublicTransactionPoolAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNr rpc.BlockNumber) (*rpc.HexNumber, error) {
state, _, err := s.b.StateAndHeaderByNumber(blockNr)
if state == nil || err != nil {
return nil, err
}
nonce, err := state.GetNonce(ctx, address)
if err != nil {
return nil, err
}
return rpc.NewHexNumber(nonce), nil
}
// getTransactionBlockData fetches the meta data for the given transaction from the chain database. This is useful to
// retrieve block information for a hash. It returns the block hash, block index and transaction index.
func getTransactionBlockData(chainDb ethdb.Database, txHash common.Hash) (common.Hash, uint64, uint64, error) {
var txBlock struct {
BlockHash common.Hash
BlockIndex uint64
Index uint64
}
blockData, err := chainDb.Get(append(txHash.Bytes(), 0x0001))
if err != nil {
return common.Hash{}, uint64(0), uint64(0), err
}
reader := bytes.NewReader(blockData)
if err = rlp.Decode(reader, &txBlock); err != nil {
return common.Hash{}, uint64(0), uint64(0), err
}
return txBlock.BlockHash, txBlock.BlockIndex, txBlock.Index, nil
}
// GetTransactionByHash returns the transaction for the given hash
func (s *PublicTransactionPoolAPI) GetTransactionByHash(ctx context.Context, txHash common.Hash) (*RPCTransaction, error) {
var tx *types.Transaction
var isPending bool
var err error
if tx, isPending, err = getTransaction(s.b.ChainDb(), s.b, txHash); err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
} else if tx == nil {
return nil, nil
}
if isPending {
return newRPCPendingTransaction(tx), nil
}
blockHash, _, _, err := getTransactionBlockData(s.b.ChainDb(), txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
if block, _ := s.b.GetBlock(ctx, blockHash); block != nil {
return newRPCTransaction(block, txHash)
}
return nil, nil
}
// GetTransactionReceipt returns the transaction receipt for the given transaction hash.
func (s *PublicTransactionPoolAPI) GetTransactionReceipt(txHash common.Hash) (map[string]interface{}, error) {
receipt := core.GetReceipt(s.b.ChainDb(), txHash)
if receipt == nil {
glog.V(logger.Debug).Infof("receipt not found for transaction %s", txHash.Hex())
return nil, nil
}
tx, _, err := getTransaction(s.b.ChainDb(), s.b, txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
txBlock, blockIndex, index, err := getTransactionBlockData(s.b.ChainDb(), txHash)
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
from, err := tx.FromFrontier()
if err != nil {
glog.V(logger.Debug).Infof("%v\n", err)
return nil, nil
}
fields := map[string]interface{}{
"root": common.Bytes2Hex(receipt.PostState),
"blockHash": txBlock,
"blockNumber": rpc.NewHexNumber(blockIndex),
"transactionHash": txHash,
"transactionIndex": rpc.NewHexNumber(index),
"from": from,
"to": tx.To(),
"gasUsed": rpc.NewHexNumber(receipt.GasUsed),
"cumulativeGasUsed": rpc.NewHexNumber(receipt.CumulativeGasUsed),
"contractAddress": nil,
"logs": receipt.Logs,
}
if receipt.Logs == nil {
fields["logs"] = []vm.Logs{}
}
// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
if bytes.Compare(receipt.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
fields["contractAddress"] = receipt.ContractAddress
}
return fields, nil
}
// sign is a helper function that signs a transaction with the private key of the given address.
func (s *PublicTransactionPoolAPI) sign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) {
signature, err := s.b.AccountManager().Sign(addr, tx.SigHash().Bytes())
if err != nil {
return nil, err
}
return tx.WithSignature(signature)
}
// SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
type SendTxArgs struct {
From common.Address `json:"from"`
To *common.Address `json:"to"`
Gas *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
Nonce *rpc.HexNumber `json:"nonce"`
}
// prepareSendTxArgs is a helper function that fills in default values for unspecified tx fields.
func prepareSendTxArgs(ctx context.Context, args SendTxArgs, b Backend) (SendTxArgs, error) {
if args.Gas == nil {
args.Gas = rpc.NewHexNumber(defaultGas)
}
if args.GasPrice == nil {
price, err := b.SuggestPrice(ctx)
if err != nil {
return args, err
}
args.GasPrice = rpc.NewHexNumber(price)
}
if args.Value == nil {
args.Value = rpc.NewHexNumber(0)
}
return args, nil
}
// submitTransaction is a helper function that submits tx to txPool and creates a log entry.
func submitTransaction(ctx context.Context, b Backend, tx *types.Transaction, signature []byte) (common.Hash, error) {
signedTx, err := tx.WithSignature(signature)
if err != nil {
return common.Hash{}, err
}
if err := b.SendTx(ctx, signedTx); err != nil {
return common.Hash{}, err
}
if signedTx.To() == nil {
from, _ := signedTx.From()
addr := crypto.CreateAddress(from, signedTx.Nonce())
glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex())
} else {
glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signedTx.Hash().Hex(), tx.To().Hex())
}
return signedTx.Hash(), nil
}
// SendTransaction creates a transaction for the given argument, sign it and submit it to the
// transaction pool.
func (s *PublicTransactionPoolAPI) SendTransaction(ctx context.Context, args SendTxArgs) (common.Hash, error) {
var err error
args, err = prepareSendTxArgs(ctx, args, s.b)
if err != nil {
return common.Hash{}, err
}
if args.Nonce == nil {
nonce, err := s.b.GetPoolNonce(ctx, args.From)
if err != nil {
return common.Hash{}, err
}
args.Nonce = rpc.NewHexNumber(nonce)
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signature, err := s.b.AccountManager().Sign(args.From, tx.SigHash().Bytes())
if err != nil {
return common.Hash{}, err
}
return submitTransaction(ctx, s.b, tx, signature)
}
// SendRawTransaction will add the signed transaction to the transaction pool.
// The sender is responsible for signing the transaction and using the correct nonce.
func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encodedTx string) (string, error) {
tx := new(types.Transaction)
if err := rlp.DecodeBytes(common.FromHex(encodedTx), tx); err != nil {
return "", err
}
if err := s.b.SendTx(ctx, tx); err != nil {
return "", err
}
if tx.To() == nil {
from, err := tx.FromFrontier()
if err != nil {
return "", err
}
addr := crypto.CreateAddress(from, tx.Nonce())
glog.V(logger.Info).Infof("Tx(%x) created: %x\n", tx.Hash(), addr)
} else {
glog.V(logger.Info).Infof("Tx(%x) to: %x\n", tx.Hash(), tx.To())
}
return tx.Hash().Hex(), nil
}
// Sign signs the given hash using the key that matches the address. The key must be
// unlocked in order to sign the hash.
func (s *PublicTransactionPoolAPI) Sign(addr common.Address, hash common.Hash) (string, error) {
signature, error := s.b.AccountManager().Sign(addr, hash[:])
return common.ToHex(signature), error
}
// SignTransactionArgs represents the arguments to sign a transaction.
type SignTransactionArgs struct {
From common.Address
To *common.Address
Nonce *rpc.HexNumber
Value *rpc.HexNumber
Gas *rpc.HexNumber
GasPrice *rpc.HexNumber
Data string
BlockNumber int64
}
// Tx is a helper object for argument and return values
type Tx struct {
tx *types.Transaction
To *common.Address `json:"to"`
From common.Address `json:"from"`
Nonce *rpc.HexNumber `json:"nonce"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
GasLimit *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
}
// UnmarshalJSON parses JSON data into tx.
func (tx *Tx) UnmarshalJSON(b []byte) (err error) {
req := struct {
To *common.Address `json:"to"`
From common.Address `json:"from"`
Nonce *rpc.HexNumber `json:"nonce"`
Value *rpc.HexNumber `json:"value"`
Data string `json:"data"`
GasLimit *rpc.HexNumber `json:"gas"`
GasPrice *rpc.HexNumber `json:"gasPrice"`
Hash common.Hash `json:"hash"`
}{}
if err := json.Unmarshal(b, &req); err != nil {
return err
}
tx.To = req.To
tx.From = req.From
tx.Nonce = req.Nonce
tx.Value = req.Value
tx.Data = req.Data
tx.GasLimit = req.GasLimit
tx.GasPrice = req.GasPrice
tx.Hash = req.Hash
data := common.Hex2Bytes(tx.Data)
if tx.Nonce == nil {
return fmt.Errorf("need nonce")
}
if tx.Value == nil {
tx.Value = rpc.NewHexNumber(0)
}
if tx.GasLimit == nil {
tx.GasLimit = rpc.NewHexNumber(0)
}
if tx.GasPrice == nil {
tx.GasPrice = rpc.NewHexNumber(int64(50000000000))
}
if req.To == nil {
tx.tx = types.NewContractCreation(tx.Nonce.Uint64(), tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
} else {
tx.tx = types.NewTransaction(tx.Nonce.Uint64(), *tx.To, tx.Value.BigInt(), tx.GasLimit.BigInt(), tx.GasPrice.BigInt(), data)
}
return nil
}
// SignTransactionResult represents a RLP encoded signed transaction.
type SignTransactionResult struct {
Raw string `json:"raw"`
Tx *Tx `json:"tx"`
}
func newTx(t *types.Transaction) *Tx {
from, _ := t.FromFrontier()
return &Tx{
tx: t,
To: t.To(),
From: from,
Value: rpc.NewHexNumber(t.Value()),
Nonce: rpc.NewHexNumber(t.Nonce()),
Data: "0x" + common.Bytes2Hex(t.Data()),
GasLimit: rpc.NewHexNumber(t.Gas()),
GasPrice: rpc.NewHexNumber(t.GasPrice()),
Hash: t.Hash(),
}
}
// SignTransaction will sign the given transaction with the from account.
// The node needs to have the private key of the account corresponding with
// the given from address and it needs to be unlocked.
func (s *PublicTransactionPoolAPI) SignTransaction(ctx context.Context, args SignTransactionArgs) (*SignTransactionResult, error) {
if args.Gas == nil {
args.Gas = rpc.NewHexNumber(defaultGas)
}
if args.GasPrice == nil {
price, err := s.b.SuggestPrice(ctx)
if err != nil {
return nil, err
}
args.GasPrice = rpc.NewHexNumber(price)
}
if args.Value == nil {
args.Value = rpc.NewHexNumber(0)
}
if args.Nonce == nil {
nonce, err := s.b.GetPoolNonce(ctx, args.From)
if err != nil {
return nil, err
}
args.Nonce = rpc.NewHexNumber(nonce)
}
var tx *types.Transaction
if args.To == nil {
tx = types.NewContractCreation(args.Nonce.Uint64(), args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
} else {
tx = types.NewTransaction(args.Nonce.Uint64(), *args.To, args.Value.BigInt(), args.Gas.BigInt(), args.GasPrice.BigInt(), common.FromHex(args.Data))
}
signedTx, err := s.sign(args.From, tx)
if err != nil {
return nil, err
}
data, err := rlp.EncodeToBytes(signedTx)
if err != nil {
return nil, err
}
return &SignTransactionResult{"0x" + common.Bytes2Hex(data), newTx(signedTx)}, nil
}
// PendingTransactions returns the transactions that are in the transaction pool and have a from address that is one of
// the accounts this node manages.
func (s *PublicTransactionPoolAPI) PendingTransactions() []*RPCTransaction {
pending := s.b.GetPoolTransactions()
transactions := make([]*RPCTransaction, 0, len(pending))
for _, tx := range pending {
from, _ := tx.FromFrontier()
if s.b.AccountManager().HasAddress(from) {
transactions = append(transactions, newRPCPendingTransaction(tx))
}
}
return transactions
}
// NewPendingTransactions creates a subscription that is triggered each time a transaction enters the transaction pool
// and is send from one of the transactions this nodes manages.
func (s *PublicTransactionPoolAPI) NewPendingTransactions(ctx context.Context) (rpc.Subscription, error) {
notifier, supported := rpc.NotifierFromContext(ctx)
if !supported {
return nil, rpc.ErrNotificationsUnsupported
}
subscription, err := notifier.NewSubscription(func(id string) {
s.muPendingTxSubs.Lock()
delete(s.pendingTxSubs, id)
s.muPendingTxSubs.Unlock()
})
if err != nil {
return nil, err
}
s.muPendingTxSubs.Lock()
s.pendingTxSubs[subscription.ID()] = subscription
s.muPendingTxSubs.Unlock()
return subscription, nil
}
// Resend accepts an existing transaction and a new gas price and limit. It will remove the given transaction from the
// pool and reinsert it with the new gas price and limit.
func (s *PublicTransactionPoolAPI) Resend(ctx context.Context, tx *Tx, gasPrice, gasLimit *rpc.HexNumber) (common.Hash, error) {
pending := s.b.GetPoolTransactions()
for _, p := range pending {
if pFrom, err := p.FromFrontier(); err == nil && pFrom == tx.From && p.SigHash() == tx.tx.SigHash() {
if gasPrice == nil {
gasPrice = rpc.NewHexNumber(tx.tx.GasPrice())
}
if gasLimit == nil {
gasLimit = rpc.NewHexNumber(tx.tx.Gas())
}
var newTx *types.Transaction
if tx.tx.To() == nil {
newTx = types.NewContractCreation(tx.tx.Nonce(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
} else {
newTx = types.NewTransaction(tx.tx.Nonce(), *tx.tx.To(), tx.tx.Value(), gasPrice.BigInt(), gasLimit.BigInt(), tx.tx.Data())
}
signedTx, err := s.sign(tx.From, newTx)
if err != nil {
return common.Hash{}, err
}
s.b.RemoveTx(tx.Hash)
if err = s.b.SendTx(ctx, signedTx); err != nil {
return common.Hash{}, err
}
return signedTx.Hash(), nil
}
}
return common.Hash{}, fmt.Errorf("Transaction %#x not found", tx.Hash)
}
// PrivateAdminAPI is the collection of Etheruem APIs exposed over the private
// admin endpoint.
type PrivateAdminAPI struct {
b Backend
solcPath *string
solc **compiler.Solidity
}
// NewPrivateAdminAPI creates a new API definition for the private admin methods
// of the Ethereum service.
func NewPrivateAdminAPI(b Backend, solcPath *string, solc **compiler.Solidity) *PrivateAdminAPI {
return &PrivateAdminAPI{b, solcPath, solc}
}
// SetSolc sets the Solidity compiler path to be used by the node.
func (api *PrivateAdminAPI) SetSolc(path string) (string, error) {
var err error
*api.solcPath = path
*api.solc, err = compiler.New(path)
if err != nil {
return "", err
}
return (*api.solc).Info(), nil
}
// PublicDebugAPI is the collection of Etheruem APIs exposed over the public
// debugging endpoint.
type PublicDebugAPI struct {
b Backend
}
// NewPublicDebugAPI creates a new API definition for the public debug methods
// of the Ethereum service.
func NewPublicDebugAPI(b Backend) *PublicDebugAPI {
return &PublicDebugAPI{b: b}
}
// GetBlockRlp retrieves the RLP encoded for of a single block.
func (api *PublicDebugAPI) GetBlockRlp(ctx context.Context, number uint64) (string, error) {
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
encoded, err := rlp.EncodeToBytes(block)
if err != nil {
return "", err
}
return fmt.Sprintf("%x", encoded), nil
}
// PrintBlock retrieves a block and returns its pretty printed form.
func (api *PublicDebugAPI) PrintBlock(ctx context.Context, number uint64) (string, error) {
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
return fmt.Sprintf("%s", block), nil
}
// SeedHash retrieves the seed hash of a block.
func (api *PublicDebugAPI) SeedHash(ctx context.Context, number uint64) (string, error) {
block, _ := api.b.BlockByNumber(ctx, rpc.BlockNumber(number))
if block == nil {
return "", fmt.Errorf("block #%d not found", number)
}
hash, err := ethash.GetSeedHash(number)
if err != nil {
return "", err
}
return fmt.Sprintf("0x%x", hash), nil
}
// PrivateDebugAPI is the collection of Etheruem APIs exposed over the private
// debugging endpoint.
type PrivateDebugAPI struct {
b Backend
}
// NewPrivateDebugAPI creates a new API definition for the private debug methods
// of the Ethereum service.
func NewPrivateDebugAPI(b Backend) *PrivateDebugAPI {
return &PrivateDebugAPI{b: b}
}
// ChaindbProperty returns leveldb properties of the chain database.
func (api *PrivateDebugAPI) ChaindbProperty(property string) (string, error) {
ldb, ok := api.b.ChainDb().(interface {
LDB() *leveldb.DB
})
if !ok {
return "", fmt.Errorf("chaindbProperty does not work for memory databases")
}
if property == "" {
property = "leveldb.stats"
} else if !strings.HasPrefix(property, "leveldb.") {
property = "leveldb." + property
}
return ldb.LDB().GetProperty(property)
}
// SetHead rewinds the head of the blockchain to a previous block.
func (api *PrivateDebugAPI) SetHead(number uint64) {
api.b.SetHead(number)
}
// PublicNetAPI offers network related RPC methods
type PublicNetAPI struct {
net *p2p.Server
networkVersion int
}
// NewPublicNetAPI creates a new net API instance.
func NewPublicNetAPI(net *p2p.Server, networkVersion int) *PublicNetAPI {
return &PublicNetAPI{net, networkVersion}
}
// Listening returns an indication if the node is listening for network connections.
func (s *PublicNetAPI) Listening() bool {
return true // always listening
}
// PeerCount returns the number of connected peers
func (s *PublicNetAPI) PeerCount() *rpc.HexNumber {
return rpc.NewHexNumber(s.net.PeerCount())
}
// Version returns the current ethereum protocol version.
func (s *PublicNetAPI) Version() string {
return fmt.Sprintf("%d", s.networkVersion)
}
internal/ethapi/backend.go 0 → 100644
View file @ 1e50f5dd
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
// Package ethapi implements the general Ethereum API functions.
package ethapi
import (
"math/big"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/compiler"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/rpc"
"golang.org/x/net/context"
)
// Backend interface provides the common API services (that are provided by
// both full and light clients) with access to necessary functions.
type Backend interface {
// general Ethereum API
Downloader() *downloader.Downloader
ProtocolVersion() int
SuggestPrice(ctx context.Context) (*big.Int, error)
ChainDb() ethdb.Database
EventMux() *event.TypeMux
AccountManager() *accounts.Manager
// BlockChain API
SetHead(number uint64)
HeaderByNumber(blockNr rpc.BlockNumber) *types.Header
BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)
StateAndHeaderByNumber(blockNr rpc.BlockNumber) (State, *types.Header, error)
GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error)
GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)
GetTd(blockHash common.Hash) *big.Int
GetVMEnv(ctx context.Context, msg core.Message, state State, header *types.Header) (vm.Environment, func() error, error)
// TxPool API
SendTx(ctx context.Context, signedTx *types.Transaction) error
RemoveTx(txHash common.Hash)
GetPoolTransactions() types.Transactions
GetPoolTransaction(txHash common.Hash) *types.Transaction
GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)
Stats() (pending int, queued int)
TxPoolContent() (map[common.Address]map[uint64][]*types.Transaction, map[common.Address]map[uint64][]*types.Transaction)
}
type State interface {
GetBalance(ctx context.Context, addr common.Address) (*big.Int, error)
GetCode(ctx context.Context, addr common.Address) ([]byte, error)
GetState(ctx context.Context, a common.Address, b common.Hash) (common.Hash, error)
GetNonce(ctx context.Context, addr common.Address) (uint64, error)
}
func GetAPIs(apiBackend Backend, solcPath *string, solc **compiler.Solidity) []rpc.API {
return []rpc.API{
{
Namespace: "eth",
Version: "1.0",
Service: NewPublicEthereumAPI(apiBackend, solcPath, solc),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicBlockChainAPI(apiBackend),
Public: true,
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicTransactionPoolAPI(apiBackend),
Public: true,
}, {
Namespace: "txpool",
Version: "1.0",
Service: NewPublicTxPoolAPI(apiBackend),
Public: true,
}, {
Namespace: "admin",
Version: "1.0",
Service: NewPrivateAdminAPI(apiBackend, solcPath, solc),
}, {
Namespace: "debug",
Version: "1.0",
Service: NewPublicDebugAPI(apiBackend),
Public: true,
}, {
Namespace: "debug",
Version: "1.0",
Service: NewPrivateDebugAPI(apiBackend),
}, {
Namespace: "eth",
Version: "1.0",
Service: NewPublicAccountAPI(apiBackend.AccountManager()),
Public: true,
}, {
Namespace: "personal",
Version: "1.0",
Service: NewPrivateAccountAPI(apiBackend),
Public: false,
},
}
}
release/release.go
View file @ 1e50f5dd
......@@ -30,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/rpc"
"golang.org/x/net/context"
)
// Interval to check for new releases
......@@ -57,7 +58,7 @@ type ReleaseService struct {
// releases and notify the user of such.
func NewReleaseService(ctx *node.ServiceContext, config Config) (node.Service, error) {
// Retrieve the Ethereum service dependency to access the blockchain
var ethereum *eth.Ethereum
var ethereum *eth.FullNodeService
if err := ctx.Service(&ethereum); err != nil {
return nil, err
}
......@@ -110,7 +111,9 @@ func (r *ReleaseService) checker() {
timer.Reset(releaseRecheckInterval)
// Retrieve the current version, and handle missing contracts gracefully
version, err := r.oracle.CurrentVersion(nil)
ctx, _ := context.WithTimeout(context.Background(), time.Second*5)
opts := &bind.CallOpts{Context: ctx}
version, err := r.oracle.CurrentVersion(opts)
if err != nil {
if err == bind.ErrNoCode {
glog.V(logger.Debug).Infof("Release oracle not found at %x", r.config.Oracle)
......
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